137606732 has 12 divisors (see below), whose sum is σ = 242346720. Its totient is φ = 68364816.

The previous prime is 137606731. The next prime is 137606747. The reversal of 137606732 is 237606731.

It is a happy number.

It is a super-2 number, since 2×137606732² = 37871225383439648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 137606692 and 137606701.

It is not an unprimeable number, because it can be changed into a prime (137606731) 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 in 3 ways as a sum of consecutive naturals, for example, 108932 + ... + 110187.

It is an arithmetic number, because the mean of its divisors is an integer number (20195560).

Almost surely, 2^137606732 is an apocalyptic number.

It is an amenable number.

137606732 is a deficient number, since it is larger than the sum of its proper divisors (104739988).

137606732 is a wasteful number, since it uses less digits than its factorization.

137606732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219280 (or 219278 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 137606732 is about 11730.5895845009. The cubic root of 137606732 is about 516.2735714565.

Subtracting 137606732 from its reverse (237606731), we obtain a palindrome (99999999).

The spelling of 137606732 in words is "one hundred thirty-seven million, six hundred six thousand, seven hundred thirty-two".