137215490 has 16 divisors (see below), whose sum is σ = 247121280. Its totient is φ = 54856560.

The previous prime is 137215489. The next prime is 137215541. The reversal of 137215490 is 94512731.

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, 34421 + ... + 38199.

It is an arithmetic number, because the mean of its divisors is an integer number (15445080).

Almost surely, 2^137215490 is an apocalyptic number.

137215490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137215490 is a deficient number, since it is larger than the sum of its proper divisors (109905790).

137215490 is a wasteful number, since it uses less digits than its factorization.

137215490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7417.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 137215490 is about 11713.9015703565. The cubic root of 137215490 is about 515.7838191636.

The spelling of 137215490 in words is "one hundred thirty-seven million, two hundred fifteen thousand, four hundred ninety".