134387790434 has 16 divisors (see below), whose sum is σ = 208162832640. Its totient is φ = 65001815280.

The previous prime is 134387790319. The next prime is 134387790469. The reversal of 134387790434 is 434097783431.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242729 + ... + 572444.

It is an arithmetic number, because the mean of its divisors is an integer number (13010177040).

Almost surely, 2^134387790434 is an apocalyptic number.

134387790434 is a deficient number, since it is larger than the sum of its proper divisors (73775042206).

134387790434 is a wasteful number, since it uses less digits than its factorization.

134387790434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817865.

The product of its (nonzero) digits is 6096384, while the sum is 53.

The spelling of 134387790434 in words is "one hundred thirty-four billion, three hundred eighty-seven million, seven hundred ninety thousand, four hundred thirty-four".