139782677 has 16 divisors (see below), whose sum is σ = 151234560. Its totient is φ = 128786112.

The previous prime is 139782667. The next prime is 139782701. The reversal of 139782677 is 776287931.

It is a cyclic number.

It is not a de Polignac number, because 139782677 - 2¹⁶ = 139717141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139782667) 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, 127343 + ... + 128435.

It is an arithmetic number, because the mean of its divisors is an integer number (9452160).

Almost surely, 2^139782677 is an apocalyptic number.

It is an amenable number.

139782677 is a deficient number, since it is larger than the sum of its proper divisors (11451883).

139782677 is a wasteful number, since it uses less digits than its factorization.

139782677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292.

The product of its digits is 889056, while the sum is 50.

The square root of 139782677 is about 11822.9724265939. The cubic root of 139782677 is about 518.9805928520.

The spelling of 139782677 in words is "one hundred thirty-nine million, seven hundred eighty-two thousand, six hundred seventy-seven".