137900370 has 32 divisors (see below), whose sum is σ = 331934400. Its totient is φ = 36665280.

The previous prime is 137900339. The next prime is 137900393. The reversal of 137900370 is 73009731.

It is a super-2 number, since 2×137900370² = 38033024092273800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3885 + ... + 17055.

It is an arithmetic number, because the mean of its divisors is an integer number (10372950).

Almost surely, 2^137900370 is an apocalyptic number.

137900370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137900370 is an abundant number, since it is smaller than the sum of its proper divisors (194034030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137900370 is a wasteful number, since it uses less digits than its factorization.

137900370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13530.

The product of its (nonzero) digits is 3969, while the sum is 30.

The square root of 137900370 is about 11743.0988244160. The cubic root of 137900370 is about 516.6405346940.

The spelling of 137900370 in words is "one hundred thirty-seven million, nine hundred thousand, three hundred seventy".