137042566 has 8 divisors (see below), whose sum is σ = 205633800. Its totient is φ = 68497968.

The previous prime is 137042527. The next prime is 137042569. The reversal of 137042566 is 665240731.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137042569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3036 + ... + 16831.

It is an arithmetic number, because the mean of its divisors is an integer number (25704225).

Almost surely, 2^137042566 is an apocalyptic number.

137042566 is a deficient number, since it is larger than the sum of its proper divisors (68591234).

137042566 is a wasteful number, since it uses less digits than its factorization.

137042566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23318.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 137042566 is about 11706.5180989054. The cubic root of 137042566 is about 515.5670581773.

The spelling of 137042566 in words is "one hundred thirty-seven million, forty-two thousand, five hundred sixty-six".