136529945 has 16 divisors (see below), whose sum is σ = 168410880. Its totient is φ = 106197504.

The previous prime is 136529891. The next prime is 136529951. The reversal of 136529945 is 549925631.

It is a cyclic number.

It is not a de Polignac number, because 136529945 - 2¹⁴ = 136513561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136529896 and 136529905.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50057 + ... + 52713.

It is an arithmetic number, because the mean of its divisors is an integer number (10525680).

Almost surely, 2^136529945 is an apocalyptic number.

It is an amenable number.

136529945 is a deficient number, since it is larger than the sum of its proper divisors (31880935).

136529945 is a wasteful number, since it uses less digits than its factorization.

136529945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944.

The product of its digits is 291600, while the sum is 44.

The square root of 136529945 is about 11684.6029029659. The cubic root of 136529945 is about 514.9234121192.

The spelling of 136529945 in words is "one hundred thirty-six million, five hundred twenty-nine thousand, nine hundred forty-five".