635376134254 has 4 divisors (see below), whose sum is σ = 953064201384. Its totient is φ = 317688067126.

The previous prime is 635376134243. The next prime is 635376134303. The reversal of 635376134254 is 452431673536.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 635376134198 and 635376134207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158844033562 + ... + 158844033565.

It is an arithmetic number, because the mean of its divisors is an integer number (238266050346).

Almost surely, 2^635376134254 is an apocalyptic number.

635376134254 is a deficient number, since it is larger than the sum of its proper divisors (317688067130).

635376134254 is a wasteful number, since it uses less digits than its factorization.

635376134254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317688067129.

The product of its digits is 5443200, while the sum is 49.

The spelling of 635376134254 in words is "six hundred thirty-five billion, three hundred seventy-six million, one hundred thirty-four thousand, two hundred fifty-four".