129371464 has 16 divisors (see below), whose sum is σ = 242794620. Its totient is φ = 64626240.

The previous prime is 129371447. The next prime is 129371491. The reversal of 129371464 is 464173921.

It can be written as a sum of positive squares in 2 ways, for example, as 85414564 + 43956900 = 9242^2 + 6630^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2602 + ... + 16294.

Almost surely, 2^129371464 is an apocalyptic number.

It is an amenable number.

129371464 is a deficient number, since it is larger than the sum of its proper divisors (113423156).

129371464 is a wasteful number, since it uses less digits than its factorization.

129371464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14880 (or 14876 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 129371464 is about 11374.1577270583. The cubic root of 129371464 is about 505.7619631631.

The spelling of 129371464 in words is "one hundred twenty-nine million, three hundred seventy-one thousand, four hundred sixty-four".