137242732 has 48 divisors (see below), whose sum is σ = 275788800. Its totient is φ = 59178560.

The previous prime is 137242727. The next prime is 137242747. The reversal of 137242732 is 237242731.

137242732 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 137242694 and 137242703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74373 + ... + 76195.

It is an arithmetic number, because the mean of its divisors is an integer number (5745600).

Almost surely, 2^137242732 is an apocalyptic number.

It is an amenable number.

137242732 is an abundant number, since it is smaller than the sum of its proper divisors (138546068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137242732 is a wasteful number, since it uses less digits than its factorization.

137242732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926 (or 1924 counting only the distinct ones).

The product of its digits is 14112, while the sum is 31.

The square root of 137242732 is about 11715.0643190723. The cubic root of 137242732 is about 515.8179505216.

Subtracting 137242732 from its reverse (237242731), we obtain a palindrome (99999999).

The spelling of 137242732 in words is "one hundred thirty-seven million, two hundred forty-two thousand, seven hundred thirty-two".