137533533 has 16 divisors (see below), whose sum is σ = 195679680. Its totient is φ = 85670784.

The previous prime is 137533511. The next prime is 137533541. The reversal of 137533533 is 335335731.

It is not a de Polignac number, because 137533533 - 2⁹ = 137533021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 137533494 and 137533503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137533433) 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, 12366 + ... + 20687.

It is an arithmetic number, because the mean of its divisors is an integer number (12229980).

Almost surely, 2^137533533 is an apocalyptic number.

It is an amenable number.

137533533 is a deficient number, since it is larger than the sum of its proper divisors (58146147).

137533533 is a wasteful number, since it uses less digits than its factorization.

137533533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33148.

The product of its digits is 42525, while the sum is 33.

The square root of 137533533 is about 11727.4691643167. The cubic root of 137533533 is about 516.1820124379.

The spelling of 137533533 in words is "one hundred thirty-seven million, five hundred thirty-three thousand, five hundred thirty-three".