137020375 has 8 divisors (see below), whose sum is σ = 171001584. Its totient is φ = 109616200.

The previous prime is 137020349. The next prime is 137020409. The reversal of 137020375 is 573020731.

137020375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-137020375 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547957 + ... + 548206.

It is an arithmetic number, because the mean of its divisors is an integer number (21375198).

Almost surely, 2^137020375 is an apocalyptic number.

137020375 is a deficient number, since it is larger than the sum of its proper divisors (33981209).

137020375 is an equidigital number, since it uses as much as digits as its factorization.

137020375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096178 (or 1096168 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 137020375 is about 11705.5702552246. The cubic root of 137020375 is about 515.5392284635.

The spelling of 137020375 in words is "one hundred thirty-seven million, twenty thousand, three hundred seventy-five".