139277811 has 16 divisors (see below), whose sum is σ = 195503616. Its totient is φ = 88023936.

The previous prime is 139277797. The next prime is 139277813. The reversal of 139277811 is 118772931.

It is not a de Polignac number, because 139277811 - 2¹⁴ = 139261427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139277811.

It is not an unprimeable number, because it can be changed into a prime (139277813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1135 + ... + 16728.

It is an arithmetic number, because the mean of its divisors is an integer number (12218976).

Almost surely, 2^139277811 is an apocalyptic number.

139277811 is a deficient number, since it is larger than the sum of its proper divisors (56225805).

139277811 is a wasteful number, since it uses less digits than its factorization.

139277811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18002.

The product of its digits is 21168, while the sum is 39.

The square root of 139277811 is about 11801.6020522639. The cubic root of 139277811 is about 518.3550223954.

The spelling of 139277811 in words is "one hundred thirty-nine million, two hundred seventy-seven thousand, eight hundred eleven".