194864136 has 16 divisors (see below), whose sum is σ = 487160400. Its totient is φ = 64954704.

The previous prime is 194864113. The next prime is 194864147. The reversal of 194864136 is 631468491.

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, 4059646 + ... + 4059693.

It is an arithmetic number, because the mean of its divisors is an integer number (30447525).

Almost surely, 2^194864136 is an apocalyptic number.

It is an amenable number.

194864136 is an abundant number, since it is smaller than the sum of its proper divisors (292296264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194864136 is a wasteful number, since it uses less digits than its factorization.

194864136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8119348 (or 8119344 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 194864136 is about 13959.3744845534. The cubic root of 194864136 is about 579.7542914847.

It can be divided in two parts, 194864 and 136, that added together give a triangular number (195000 = T₆₂₄).

The spelling of 194864136 in words is "one hundred ninety-four million, eight hundred sixty-four thousand, one hundred thirty-six".