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131132635 = 5293129173
BaseRepresentation
bin1111101000011…
…10110011011011
3100010202020011021
413310032303123
5232032221020
621002343311
73151415614
oct764166333
9303666137
10131132635
1168025987
1237abab37
132122419a
14135b6c0b
15b7a41aa
hex7d0ecdb

131132635 has 16 divisors (see below), whose sum is σ = 168042240. Its totient is φ = 98017920.

The previous prime is 131132627. The next prime is 131132647. The reversal of 131132635 is 536231131.

It is not a de Polignac number, because 131132635 - 23 = 131132627 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10092 + ... + 19081.

It is an arithmetic number, because the mean of its divisors is an integer number (10502640).

Almost surely, 2131132635 is an apocalyptic number.

131132635 is a deficient number, since it is larger than the sum of its proper divisors (36909605).

131132635 is a wasteful number, since it uses less digits than its factorization.

131132635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29238.

The product of its digits is 1620, while the sum is 25.

The square root of 131132635 is about 11451.3158632534. The cubic root of 131132635 is about 508.0466546834.

Adding to 131132635 its reverse (536231131), we get a palindrome (667363766).

The spelling of 131132635 in words is "one hundred thirty-one million, one hundred thirty-two thousand, six hundred thirty-five".

Divisors: 1 5 29 31 145 155 899 4495 29173 145865 846017 904363 4230085 4521815 26226527 131132635