129530739514 has 32 divisors (see below), whose sum is σ = 212767433280. Its totient is φ = 58653590400.

The previous prime is 129530739487. The next prime is 129530739521. The reversal of 129530739514 is 415937035921.

It is a happy number.

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, 6214342 + ... + 6235150.

It is an arithmetic number, because the mean of its divisors is an integer number (6648982290).

Almost surely, 2^129530739514 is an apocalyptic number.

129530739514 is a deficient number, since it is larger than the sum of its proper divisors (83236693766).

129530739514 is a wasteful number, since it uses less digits than its factorization.

129530739514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21886.

The product of its (nonzero) digits is 1020600, while the sum is 49.

The spelling of 129530739514 in words is "one hundred twenty-nine billion, five hundred thirty million, seven hundred thirty-nine thousand, five hundred fourteen".