405247540652134 has 16 divisors (see below), whose sum is σ = 616987093693248. Its totient is φ = 199585598407272.

The previous prime is 405247540652069. The next prime is 405247540652167. The reversal of 405247540652134 is 431256045742504.

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, 103653412 + ... + 107491975.

It is an arithmetic number, because the mean of its divisors is an integer number (38561693355828).

Almost surely, 2^{405247540652134} is an apocalyptic number.

405247540652134 is a deficient number, since it is larger than the sum of its proper divisors (211739553041114).

405247540652134 is a wasteful number, since it uses less digits than its factorization.

405247540652134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211159779.

The product of its (nonzero) digits is 16128000, while the sum is 52.

The spelling of 405247540652134 in words is "four hundred five trillion, two hundred forty-seven billion, five hundred forty million, six hundred fifty-two thousand, one hundred thirty-four".