190686136 has 32 divisors (see below), whose sum is σ = 372081600. Its totient is φ = 91504000.

The previous prime is 190686131. The next prime is 190686137. The reversal of 190686136 is 631686091.

It is a super-2 number, since 2×190686136² = 72722404925220992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190686131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37761 + ... + 42511.

It is an arithmetic number, because the mean of its divisors is an integer number (11627550).

Almost surely, 2^190686136 is an apocalyptic number.

It is an amenable number.

190686136 is a deficient number, since it is larger than the sum of its proper divisors (181395464).

190686136 is a wasteful number, since it uses less digits than its factorization.

190686136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4959 (or 4955 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 190686136 is about 13808.9150913459. The cubic root of 190686136 is about 575.5808985151.

The spelling of 190686136 in words is "one hundred ninety million, six hundred eighty-six thousand, one hundred thirty-six".