131785172034 has 16 divisors (see below), whose sum is σ = 277442467680. Its totient is φ = 41616370080.

The previous prime is 131785172027. The next prime is 131785172041. The reversal of 131785172034 is 430271587131.

It is an interprime number because it is at equal distance from previous prime (131785172027) and next prime (131785172041).

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, 578005027 + ... + 578005254.

It is an arithmetic number, because the mean of its divisors is an integer number (17340154230).

Almost surely, 2^131785172034 is an apocalyptic number.

131785172034 is an abundant number, since it is smaller than the sum of its proper divisors (145657295646).

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

131785172034 is a wasteful number, since it uses less digits than its factorization.

131785172034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156010305.

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 131785172034 in words is "one hundred thirty-one billion, seven hundred eighty-five million, one hundred seventy-two thousand, thirty-four".