137240068 has 12 divisors (see below), whose sum is σ = 274480192. Its totient is φ = 58817160.

The previous prime is 137240063. The next prime is 137240083. The reversal of 137240068 is 860042731.

137240068 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (137240063) 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, 2450688 + ... + 2450743.

Almost surely, 2^137240068 is an apocalyptic number.

It is an amenable number.

137240068 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

137240068 is a wasteful number, since it uses less digits than its factorization.

137240068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4901442 (or 4901440 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 137240068 is about 11714.9506187606. The cubic root of 137240068 is about 515.8146130093.

Adding to 137240068 its reverse (860042731), we get a palindrome (997282799).

The spelling of 137240068 in words is "one hundred thirty-seven million, two hundred forty thousand, sixty-eight".