137157999 has 16 divisors (see below), whose sum is σ = 200613504. Its totient is φ = 82663200.

The previous prime is 137157973. The next prime is 137158009. The reversal of 137157999 is 999751731.

It is not a de Polignac number, because 137157999 - 2⁵ = 137157967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137157929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5509 + ... + 17454.

It is an arithmetic number, because the mean of its divisors is an integer number (12538344).

Almost surely, 2^137157999 is an apocalyptic number.

137157999 is a deficient number, since it is larger than the sum of its proper divisors (63455505).

137157999 is a wasteful number, since it uses less digits than its factorization.

137157999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23158.

The product of its digits is 535815, while the sum is 51.

The square root of 137157999 is about 11711.4473486414. The cubic root of 137157999 is about 515.7117741637.

The spelling of 137157999 in words is "one hundred thirty-seven million, one hundred fifty-seven thousand, nine hundred ninety-nine".