131503492 has 6 divisors (see below), whose sum is σ = 230131118. Its totient is φ = 65751744.

The previous prime is 131503481. The next prime is 131503553. The reversal of 131503492 is 294305131.

It can be written as a sum of positive squares in only one way, i.e., 77686596 + 53816896 = 8814^2 + 7336^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131503492.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16437933 + ... + 16437940.

Almost surely, 2^131503492 is an apocalyptic number.

It is an amenable number.

131503492 is a deficient number, since it is larger than the sum of its proper divisors (98627626).

131503492 is a wasteful number, since it uses less digits than its factorization.

131503492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32875877 (or 32875875 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 131503492 is about 11467.4971986044. The cubic root of 131503492 is about 508.5251405050.

The spelling of 131503492 in words is "one hundred thirty-one million, five hundred three thousand, four hundred ninety-two".