189540536 has 16 divisors (see below), whose sum is σ = 358650600. Its totient is φ = 93900384.

The previous prime is 189540511. The next prime is 189540557. The reversal of 189540536 is 635045981.

It is a super-2 number, since 2×189540536² = 71851229574334592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 189540493 and 189540502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107810 + ... + 109553.

Almost surely, 2^189540536 is an apocalyptic number.

It is an amenable number.

189540536 is a deficient number, since it is larger than the sum of its proper divisors (169110064).

189540536 is a wasteful number, since it uses less digits than its factorization.

189540536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217478 (or 217474 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 189540536 is about 13767.3721530291. The cubic root of 189540536 is about 574.4259283692.

The spelling of 189540536 in words is "one hundred eighty-nine million, five hundred forty thousand, five hundred thirty-six".