139275877 has 8 divisors (see below), whose sum is σ = 150534776. Its totient is φ = 128094912.

The previous prime is 139275859. The next prime is 139275889. The reversal of 139275877 is 778572931.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10929636 + 128346241 = 3306^2 + 11329^2 .

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 139275877 - 2¹⁹ = 138751589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 139275877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139275977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15738 + ... + 22939.

It is an arithmetic number, because the mean of its divisors is an integer number (18816847).

Almost surely, 2^139275877 is an apocalyptic number.

It is an amenable number.

139275877 is a deficient number, since it is larger than the sum of its proper divisors (11258899).

139275877 is a wasteful number, since it uses less digits than its factorization.

139275877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38967.

The product of its digits is 740880, while the sum is 49.

The square root of 139275877 is about 11801.5201139514. The cubic root of 139275877 is about 518.3526231062.

It can be divided in two parts, 139 and 275877, that multiplied together give a triangular number (38346903 = T₈₇₅₇).

The spelling of 139275877 in words is "one hundred thirty-nine million, two hundred seventy-five thousand, eight hundred seventy-seven".