137240232 has 16 divisors (see below), whose sum is σ = 343100640. Its totient is φ = 45746736.

The previous prime is 137240203. The next prime is 137240237. The reversal of 137240232 is 232042731.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 5718343 = 137240232 / (1 + 3 + 7 + 2 + 4 + 0 + 2 + 3 + 2).

It is not an unprimeable number, because it can be changed into a prime (137240237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2859148 + ... + 2859195.

It is an arithmetic number, because the mean of its divisors is an integer number (21443790).

Almost surely, 2^137240232 is an apocalyptic number.

137240232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137240232 is an abundant number, since it is smaller than the sum of its proper divisors (205860408).

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

137240232 is a wasteful number, since it uses less digits than its factorization.

137240232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5718352 (or 5718348 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 137240232 is about 11714.9576183612. The cubic root of 137240232 is about 515.8148184730.

Adding to 137240232 its reverse (232042731), we get a palindrome (369282963).

The spelling of 137240232 in words is "one hundred thirty-seven million, two hundred forty thousand, two hundred thirty-two".