137042745 has 16 divisors (see below), whose sum is σ = 250592640. Its totient is φ = 62648064.

The previous prime is 137042713. The next prime is 137042747. The reversal of 137042745 is 547240731.

It is not a de Polignac number, because 137042745 - 2⁵ = 137042713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137042747) 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 15 ways as a sum of consecutive naturals, for example, 652480 + ... + 652689.

It is an arithmetic number, because the mean of its divisors is an integer number (15662040).

Almost surely, 2^137042745 is an apocalyptic number.

137042745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137042745 is a deficient number, since it is larger than the sum of its proper divisors (113549895).

137042745 is a wasteful number, since it uses less digits than its factorization.

137042745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305184.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 137042745 is about 11706.5257442163. The cubic root of 137042745 is about 515.5672826488.

The spelling of 137042745 in words is "one hundred thirty-seven million, forty-two thousand, seven hundred forty-five".