139877050049 has 8 divisors (see below), whose sum is σ = 152649924960. Its totient is φ = 127113638400.

The previous prime is 139877050043. The next prime is 139877050063. The reversal of 139877050049 is 940050778931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 139877050049 - 2²⁴ = 139860272833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (139877050043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2334887 + ... + 2394044.

It is an arithmetic number, because the mean of its divisors is an integer number (19081240620).

Almost surely, 2^139877050049 is an apocalyptic number.

It is an amenable number.

139877050049 is a deficient number, since it is larger than the sum of its proper divisors (12772874911).

139877050049 is a wasteful number, since it uses less digits than its factorization.

139877050049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4731631.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The spelling of 139877050049 in words is "one hundred thirty-nine billion, eight hundred seventy-seven million, fifty thousand, forty-nine".