137715890 has 32 divisors (see below), whose sum is σ = 267802416. Its totient is φ = 50688000.

The previous prime is 137715883. The next prime is 137715901. The reversal of 137715890 is 98517731.

It can be written as a sum of positive squares in 8 ways, for example, as 30614089 + 107101801 = 5533^2 + 10349^2 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 44390 + ... + 47390.

Almost surely, 2^137715890 is an apocalyptic number.

137715890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137715890 is a deficient number, since it is larger than the sum of its proper divisors (130086526).

137715890 is a wasteful number, since it uses less digits than its factorization.

137715890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374.

The product of its (nonzero) digits is 52920, while the sum is 41.

The square root of 137715890 is about 11735.2413694819. The cubic root of 137715890 is about 516.4100485380.

The spelling of 137715890 in words is "one hundred thirty-seven million, seven hundred fifteen thousand, eight hundred ninety".