131429474 has 12 divisors (see below), whose sum is σ = 216696102. Its totient is φ = 59740560.

The previous prime is 131429447. The next prime is 131429483. The reversal of 131429474 is 474924131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 124166449 + 7263025 = 11143^2 + 2695^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 271307 + ... + 271790.

Almost surely, 2^131429474 is an apocalyptic number.

131429474 is a deficient number, since it is larger than the sum of its proper divisors (85266628).

131429474 is a wasteful number, since it uses less digits than its factorization.

131429474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543121 (or 543110 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 131429474 is about 11464.2694490316. The cubic root of 131429474 is about 508.4297131833.

The spelling of 131429474 in words is "one hundred thirty-one million, four hundred twenty-nine thousand, four hundred seventy-four".