131694472674 has 128 divisors (see below), whose sum is σ = 308111247360. Its totient is φ = 41615640000.

The previous prime is 131694472673. The next prime is 131694472681. The reversal of 131694472674 is 476274496131.

131694472674 is a `hidden beast` number, since 1 + 3 + 16 + 94 + 472 + 6 + 74 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 131694472674.

It is not an unprimeable number, because it can be changed into a prime (131694472673) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70764504 + ... + 70766364.

It is an arithmetic number, because the mean of its divisors is an integer number (2407119120).

Almost surely, 2^131694472674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131694472674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154055623680).

131694472674 is an abundant number, since it is smaller than the sum of its proper divisors (176416774686).

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

131694472674 is a wasteful number, since it uses less digits than its factorization.

131694472674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373 (or 2367 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The spelling of 131694472674 in words is "one hundred thirty-one billion, six hundred ninety-four million, four hundred seventy-two thousand, six hundred seventy-four".