131785234 has 16 divisors (see below), whose sum is σ = 231428736. Its totient is φ = 55101600.

The previous prime is 131785219. The next prime is 131785259. The reversal of 131785234 is 432587131.

It is a self number, because there is not a number n which added to its sum of digits gives 131785234.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114222 + ... + 115369.

It is an arithmetic number, because the mean of its divisors is an integer number (14464296).

Almost surely, 2^131785234 is an apocalyptic number.

131785234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

131785234 is a deficient number, since it is larger than the sum of its proper divisors (99643502).

131785234 is a wasteful number, since it uses less digits than its factorization.

131785234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229641.

The product of its digits is 20160, while the sum is 34.

The square root of 131785234 is about 11479.7749977950. The cubic root of 131785234 is about 508.8880477058. Note that the first 3 decimals are identical.

The spelling of 131785234 in words is "one hundred thirty-one million, seven hundred eighty-five thousand, two hundred thirty-four".