134412566639 has 96 divisors (see below), whose sum is σ = 165424680000. Its totient is φ = 108589178880.

The previous prime is 134412566549. The next prime is 134412566653. The reversal of 134412566639 is 936665214431.

It is not a de Polignac number, because 134412566639 - 2⁸ = 134412566383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134412566689) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 269363612 + ... + 269364110.

It is an arithmetic number, because the mean of its divisors is an integer number (1723173750).

Almost surely, 2^134412566639 is an apocalyptic number.

134412566639 is a deficient number, since it is larger than the sum of its proper divisors (31012113361).

134412566639 is a wasteful number, since it uses less digits than its factorization.

134412566639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 672 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 50.

The spelling of 134412566639 in words is "one hundred thirty-four billion, four hundred twelve million, five hundred sixty-six thousand, six hundred thirty-nine".