137348738 has 6 divisors (see below), whose sum is σ = 206047971. Its totient is φ = 68666082.

The previous prime is 137348723. The next prime is 137348747. The reversal of 137348738 is 837843731.

It can be written as a sum of positive squares in only one way, i.e., 68674369 + 68674369 = 8287^2 + 8287^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=8287.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 12431 + ... + 20717.

Almost surely, 2^137348738 is an apocalyptic number.

137348738 is a deficient number, since it is larger than the sum of its proper divisors (68699233).

137348738 is an frugal number, since it uses more digits than its factorization.

137348738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16576 (or 8289 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The square root of 137348738 is about 11719.5877913858. The cubic root of 137348738 is about 515.9507219131.

The spelling of 137348738 in words is "one hundred thirty-seven million, three hundred forty-eight thousand, seven hundred thirty-eight".