137042737 has 8 divisors (see below), whose sum is σ = 148176000. Its totient is φ = 125994000.

The previous prime is 137042713. The next prime is 137042747. The reversal of 137042737 is 737240731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137042737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137042747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17737 + ... + 24262.

It is an arithmetic number, because the mean of its divisors is an integer number (18522000).

Almost surely, 2^137042737 is an apocalyptic number.

It is an amenable number.

137042737 is a deficient number, since it is larger than the sum of its proper divisors (11133263).

137042737 is a wasteful number, since it uses less digits than its factorization.

137042737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42263.

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 137042737 is about 11706.5254025266. The cubic root of 137042737 is about 515.5672726166.

The spelling of 137042737 in words is "one hundred thirty-seven million, forty-two thousand, seven hundred thirty-seven".