137742056 has 16 divisors (see below), whose sum is σ = 258391140. Its totient is φ = 68837760.

The previous prime is 137742053. The next prime is 137742061. The reversal of 137742056 is 650247731.

It can be written as a sum of positive squares in 2 ways, for example, as 133033156 + 4708900 = 11534^2 + 2170^2 .

It is a super-2 number, since 2×137742056² = 37945747982214272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137742053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28796 + ... + 33236.

Almost surely, 2^137742056 is an apocalyptic number.

It is an amenable number.

137742056 is a deficient number, since it is larger than the sum of its proper divisors (120649084).

137742056 is a wasteful number, since it uses less digits than its factorization.

137742056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8324 (or 8320 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 137742056 is about 11736.3561636481. The cubic root of 137742056 is about 516.4427524128.

Adding to 137742056 its reverse (650247731), we get a palindrome (787989787).

The spelling of 137742056 in words is "one hundred thirty-seven million, seven hundred forty-two thousand, fifty-six".