137742608 has 10 divisors (see below), whose sum is σ = 266876334. Its totient is φ = 68871296.

The previous prime is 137742599. The next prime is 137742637. The reversal of 137742608 is 806247731.

It can be written as a sum of positive squares in only one way, i.e., 90022144 + 47720464 = 9488^2 + 6908^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4304441 + ... + 4304472.

Almost surely, 2^137742608 is an apocalyptic number.

It is an amenable number.

137742608 is a deficient number, since it is larger than the sum of its proper divisors (129133726).

137742608 is an equidigital number, since it uses as much as digits as its factorization.

137742608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8608921 (or 8608915 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 137742608 is about 11736.3796802932. The cubic root of 137742608 is about 516.4434422917.

The spelling of 137742608 in words is "one hundred thirty-seven million, seven hundred forty-two thousand, six hundred eight".