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130957 is a prime number
BaseRepresentation
bin11111111110001101
320122122021
4133332031
513142312
62450141
71053541
oct377615
9218567
10130957
118a432
1263951
13477b8
1435a21
1528c07
hex1ff8d

130957 has 2 divisors, whose sum is σ = 130958. Its totient is φ = 130956.

The previous prime is 130927. The next prime is 130969. The reversal of 130957 is 759031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86436 + 44521 = 294^2 + 211^2 .

It is a cyclic number.

It is not a de Polignac number, because 130957 - 27 = 130829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65478 + 65479.

It is an arithmetic number, because the mean of its divisors is an integer number (65479).

2130957 is an apocalyptic number.

It is an amenable number.

130957 is a deficient number, since it is larger than the sum of its proper divisors (1).

130957 is an equidigital number, since it uses as much as digits as its factorization.

130957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 130957 is about 361.8798143030. The cubic root of 130957 is about 50.7819732678.

Adding to 130957 its reverse (759031), we get a palindrome (889988).

The spelling of 130957 in words is "one hundred thirty thousand, nine hundred fifty-seven".