139787432127 has 20 divisors (see below), whose sum is σ = 238649444176. Its totient is φ = 79878532320.

The previous prime is 139787432123. The next prime is 139787432131. The reversal of 139787432127 is 721234787931.

139787432127 is a `hidden beast` number, since 1 + 3 + 9 + 7 + 87 + 432 + 127 = 666.

It is an interprime number because it is at equal distance from previous prime (139787432123) and next prime (139787432131).

It is not a de Polignac number, because 139787432127 - 2² = 139787432123 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 (139787432123) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 123268774 + ... + 123269907.

Almost surely, 2^139787432127 is an apocalyptic number.

139787432127 is a deficient number, since it is larger than the sum of its proper divisors (98862012049).

139787432127 is an equidigital number, since it uses as much as digits as its factorization.

139787432127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246538700 (or 246538691 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The spelling of 139787432127 in words is "one hundred thirty-nine billion, seven hundred eighty-seven million, four hundred thirty-two thousand, one hundred twenty-seven".