137042738 has 32 divisors (see below), whose sum is σ = 239988864. Its totient is φ = 57480192.

The previous prime is 137042713. The next prime is 137042747. The reversal of 137042738 is 837240731.

It is a junction number, because it is equal to n+sod(n) for n = 137042698 and 137042707.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180656 + ... + 181412.

It is an arithmetic number, because the mean of its divisors is an integer number (7499652).

Almost surely, 2^137042738 is an apocalyptic number.

137042738 is a deficient number, since it is larger than the sum of its proper divisors (102946126).

137042738 is a wasteful number, since it uses less digits than its factorization.

137042738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 137042738 is about 11706.5254452378. The cubic root of 137042738 is about 515.5672738706.

The spelling of 137042738 in words is "one hundred thirty-seven million, forty-two thousand, seven hundred thirty-eight".