1878364139102 has 16 divisors (see below), whose sum is σ = 3078801082224. Its totient is φ = 852381240000.

The previous prime is 1878364139083. The next prime is 1878364139143. The reversal of 1878364139102 is 2019314638781.

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, 71018549 + ... + 71044992.

It is an arithmetic number, because the mean of its divisors is an integer number (192425067639).

Almost surely, 2^{1878364139102} is an apocalyptic number.

1878364139102 is a deficient number, since it is larger than the sum of its proper divisors (1200436943122).

1878364139102 is a wasteful number, since it uses less digits than its factorization.

1878364139102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142064155.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 1878364139102 in words is "one trillion, eight hundred seventy-eight billion, three hundred sixty-four million, one hundred thirty-nine thousand, one hundred two".