139614871 has 8 divisors (see below), whose sum is σ = 152645904. Its totient is φ = 126640320.

The previous prime is 139614859. The next prime is 139614911. The reversal of 139614871 is 178416931.

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 139614871 - 2⁷ = 139614743 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 (139614821) 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, 8860 + ... + 18913.

It is an arithmetic number, because the mean of its divisors is an integer number (19080738).

Almost surely, 2^139614871 is an apocalyptic number.

139614871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

139614871 is a deficient number, since it is larger than the sum of its proper divisors (13031033).

139614871 is a wasteful number, since it uses less digits than its factorization.

139614871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28241.

The product of its digits is 36288, while the sum is 40.

The square root of 139614871 is about 11815.8736875442. The cubic root of 139614871 is about 518.7728348007.

The spelling of 139614871 in words is "one hundred thirty-nine million, six hundred fourteen thousand, eight hundred seventy-one".