137638750 has 40 divisors (see below), whose sum is σ = 260073000. Its totient is φ = 54612000.

The previous prime is 137638733. The next prime is 137638751. The reversal of 137638750 is 57836731.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137638751) 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 19 ways as a sum of consecutive naturals, for example, 185881 + ... + 186619.

It is an arithmetic number, because the mean of its divisors is an integer number (6501825).

Almost surely, 2^137638750 is an apocalyptic number.

137638750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137638750 is a deficient number, since it is larger than the sum of its proper divisors (122434250).

137638750 is an equidigital number, since it uses as much as digits as its factorization.

137638750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 137638750 is about 11731.9542276639. The cubic root of 137638750 is about 516.3136101112.

The spelling of 137638750 in words is "one hundred thirty-seven million, six hundred thirty-eight thousand, seven hundred fifty".