131185434 has 8 divisors (see below), whose sum is σ = 262370880. Its totient is φ = 43728476.

The previous prime is 131185423. The next prime is 131185451. The reversal of 131185434 is 434581131.

It is a sphenic number, since it is the product of 3 distinct primes.

131185434 is an admirable 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, 10932114 + ... + 10932125.

It is an arithmetic number, because the mean of its divisors is an integer number (32796360).

Almost surely, 2^131185434 is an apocalyptic number.

131185434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131185434 is a wasteful number, since it uses less digits than its factorization.

131185434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21864244.

The product of its digits is 5760, while the sum is 30.

The square root of 131185434 is about 11453.6209994918. The cubic root of 131185434 is about 508.1148318537.

The spelling of 131185434 in words is "one hundred thirty-one million, one hundred eighty-five thousand, four hundred thirty-four".