134640452402 has 16 divisors (see below), whose sum is σ = 207477957120. Its totient is φ = 65482166448.

The previous prime is 134640452383. The next prime is 134640452411. The reversal of 134640452402 is 204254046431.

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, 5999 + ... + 518957.

It is an arithmetic number, because the mean of its divisors is an integer number (12967372320).

Almost surely, 2^134640452402 is an apocalyptic number.

134640452402 is a deficient number, since it is larger than the sum of its proper divisors (72837504718).

134640452402 is a wasteful number, since it uses less digits than its factorization.

134640452402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516545.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 134640452402 its reverse (204254046431), we get a palindrome (338894498833).

The spelling of 134640452402 in words is "one hundred thirty-four billion, six hundred forty million, four hundred fifty-two thousand, four hundred two".