131574738 has 32 divisors (see below), whose sum is σ = 271039104. Its totient is φ = 42550272.

The previous prime is 131574727. The next prime is 131574763. The reversal of 131574738 is 837475131.

It is a junction number, because it is equal to n+sod(n) for n = 131574696 and 131574705.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107506 + ... + 108722.

It is an arithmetic number, because the mean of its divisors is an integer number (8469972).

Almost surely, 2^131574738 is an apocalyptic number.

131574738 is an abundant number, since it is smaller than the sum of its proper divisors (139464366).

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

131574738 is a wasteful number, since it uses less digits than its factorization.

131574738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746.

The product of its digits is 70560, while the sum is 39.

The square root of 131574738 is about 11470.6032099450. The cubic root of 131574738 is about 508.6169602242.

It can be divided in two parts, 13 and 1574738, that added together give a palindrome (1574751).

The spelling of 131574738 in words is "one hundred thirty-one million, five hundred seventy-four thousand, seven hundred thirty-eight".