134432815 has 24 divisors (see below), whose sum is σ = 185046624. Its totient is φ = 93508800.

The previous prime is 134432813. The next prime is 134432843. The reversal of 134432815 is 518234431.

It is not a de Polignac number, because 134432815 - 2¹ = 134432813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134432813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9085 + ... + 18745.

It is an arithmetic number, because the mean of its divisors is an integer number (7710276).

Almost surely, 2^134432815 is an apocalyptic number.

134432815 is a deficient number, since it is larger than the sum of its proper divisors (50613809).

134432815 is a wasteful number, since it uses less digits than its factorization.

134432815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9711 (or 9700 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 134432815 is about 11594.5165919067. The cubic root of 134432815 is about 512.2733512983.

The spelling of 134432815 in words is "one hundred thirty-four million, four hundred thirty-two thousand, eight hundred fifteen".