137464999 has 4 divisors (see below), whose sum is σ = 157102864. Its totient is φ = 117827136.

The previous prime is 137464993. The next prime is 137465033. The reversal of 137464999 is 999464731.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 137464999 - 2³ = 137464991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137464991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9818922 + ... + 9818935.

It is an arithmetic number, because the mean of its divisors is an integer number (39275716).

Almost surely, 2^137464999 is an apocalyptic number.

137464999 is a deficient number, since it is larger than the sum of its proper divisors (19637865).

137464999 is an equidigital number, since it uses as much as digits as its factorization.

137464999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19637864.

The product of its digits is 1469664, while the sum is 52.

The square root of 137464999 is about 11724.5468569152. The cubic root of 137464999 is about 516.0962590585.

The spelling of 137464999 in words is "one hundred thirty-seven million, four hundred sixty-four thousand, nine hundred ninety-nine".