204136545631402 has 16 divisors (see below), whose sum is σ = 319790930663232. Its totient is φ = 97547148167040.

The previous prime is 204136545631363. The next prime is 204136545631423.

204136545631402 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 1894801383 + ... + 1894909114.

It is an arithmetic number, because the mean of its divisors is an integer number (19986933166452).

Almost surely, 2^{204136545631402} is an apocalyptic number.

204136545631402 is a deficient number, since it is larger than the sum of its proper divisors (115654385031830).

204136545631402 is a wasteful number, since it uses less digits than its factorization.

204136545631402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789711693.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 204136545631402 in words is "two hundred four trillion, one hundred thirty-six billion, five hundred forty-five million, six hundred thirty-one thousand, four hundred two".