104140777402 has 4 divisors (see below), whose sum is σ = 156211166106. Its totient is φ = 52070388700.

The previous prime is 104140777397. The next prime is 104140777417. The reversal of 104140777402 is 204777041401.

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

It can be written as a sum of positive squares in only one way, i.e., 54967271401 + 49173506001 = 234451^2 + 221751^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26035194349 + ... + 26035194352.

Almost surely, 2^104140777402 is an apocalyptic number.

104140777402 is a deficient number, since it is larger than the sum of its proper divisors (52070388704).

104140777402 is an equidigital number, since it uses as much as digits as its factorization.

104140777402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52070388703.

The product of its (nonzero) digits is 43904, while the sum is 37.

The spelling of 104140777402 in words is "one hundred four billion, one hundred forty million, seven hundred seventy-seven thousand, four hundred two".