634338174142 has 16 divisors (see below), whose sum is σ = 954607516992. Its totient is φ = 316135797120.

The previous prime is 634338174137. The next prime is 634338174221. The reversal of 634338174142 is 241471833436.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 634338174092 and 634338174101.

It is a congruent 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, 17946667 + ... + 17981977.

It is an arithmetic number, because the mean of its divisors is an integer number (59662969812).

Almost surely, 2^634338174142 is an apocalyptic number.

634338174142 is a deficient number, since it is larger than the sum of its proper divisors (320269342850).

634338174142 is a wasteful number, since it uses less digits than its factorization.

634338174142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64323.

The product of its digits is 1161216, while the sum is 46.

The spelling of 634338174142 in words is "six hundred thirty-four billion, three hundred thirty-eight million, one hundred seventy-four thousand, one hundred forty-two".