134640654644 has 24 divisors (see below), whose sum is σ = 249795399168. Its totient is φ = 63387925920.

The previous prime is 134640654641. The next prime is 134640654691. The reversal of 134640654644 is 446456046431.

It is a super-3 number, since 3×134640654644³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134640654641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14668544 + ... + 14677719.

It is an arithmetic number, because the mean of its divisors is an integer number (10408141632).

Almost surely, 2^134640654644 is an apocalyptic number.

It is an amenable number.

134640654644 is a deficient number, since it is larger than the sum of its proper divisors (115154744524).

134640654644 is a wasteful number, since it uses less digits than its factorization.

134640654644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29346335 (or 29346333 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 134640654644 in words is "one hundred thirty-four billion, six hundred forty million, six hundred fifty-four thousand, six hundred forty-four".