137533797 has 24 divisors (see below), whose sum is σ = 203688576. Its totient is φ = 89384256.

The previous prime is 137533783. The next prime is 137533801. The reversal of 137533797 is 797335731.

It is not a de Polignac number, because 137533797 - 2⁶ = 137533733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137533717) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146313 + ... + 147249.

It is an arithmetic number, because the mean of its divisors is an integer number (8487024).

Almost surely, 2^137533797 is an apocalyptic number.

It is an amenable number.

137533797 is a deficient number, since it is larger than the sum of its proper divisors (66154779).

137533797 is a wasteful number, since it uses less digits than its factorization.

137533797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337 (or 1334 counting only the distinct ones).

The product of its digits is 416745, while the sum is 45.

The square root of 137533797 is about 11727.4804199368. The cubic root of 137533797 is about 516.1823427136.

The spelling of 137533797 in words is "one hundred thirty-seven million, five hundred thirty-three thousand, seven hundred ninety-seven".