136641532 has 12 divisors (see below), whose sum is σ = 239223376. Its totient is φ = 68292000.

The previous prime is 136641517. The next prime is 136641553. The reversal of 136641532 is 235146631.

It is a junction number, because it is equal to n+sod(n) for n = 136641494 and 136641503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6313 + ... + 17695.

Almost surely, 2^136641532 is an apocalyptic number.

It is an amenable number.

136641532 is a deficient number, since it is larger than the sum of its proper divisors (102581844).

136641532 is a wasteful number, since it uses less digits than its factorization.

136641532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14388 (or 14386 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 136641532 is about 11689.3768867292. The cubic root of 136641532 is about 515.0636575725.

The spelling of 136641532 in words is "one hundred thirty-six million, six hundred forty-one thousand, five hundred thirty-two".