210139139426692 has 24 divisors (see below), whose sum is σ = 442398188267840. Its totient is φ = 85319650594080.

The previous prime is 210139139426687. The next prime is 210139139426707. The reversal of 210139139426692 is 296624931931012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197499190659 + ... + 197499191722.

Almost surely, 2^{210139139426692} is an apocalyptic number.

It is an amenable number.

210139139426692 is an abundant number, since it is smaller than the sum of its proper divisors (232259048841148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210139139426692 is a wasteful number, since it uses less digits than its factorization.

210139139426692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394998382411 (or 394998382409 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 58.

The spelling of 210139139426692 in words is "two hundred ten trillion, one hundred thirty-nine billion, one hundred thirty-nine million, four hundred twenty-six thousand, six hundred ninety-two".