137550490 has 64 divisors (see below), whose sum is σ = 316286208. Its totient is φ = 41817600.

The previous prime is 137550487. The next prime is 137550541. The reversal of 137550490 is 94055731.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 29392 + ... + 33748.

It is an arithmetic number, because the mean of its divisors is an integer number (4941972).

Almost surely, 2^137550490 is an apocalyptic number.

137550490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137550490 is an abundant number, since it is smaller than the sum of its proper divisors (178735718).

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

137550490 is a wasteful number, since it uses less digits than its factorization.

137550490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4423.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 137550490 is about 11728.1921027923. The cubic root of 137550490 is about 516.2032255401.

The spelling of 137550490 in words is "one hundred thirty-seven million, five hundred fifty thousand, four hundred ninety".