139771614 has 16 divisors (see below), whose sum is σ = 279924480. Its totient is φ = 46527000.

The previous prime is 139771601. The next prime is 139771627. The reversal of 139771614 is 416177931.

It is an interprime number because it is at equal distance from previous prime (139771601) and next prime (139771627).

It is a super-2 number, since 2×139771614² = 39072208160329992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11004 + ... + 20015.

It is an arithmetic number, because the mean of its divisors is an integer number (17495280).

Almost surely, 2^139771614 is an apocalyptic number.

139771614 is an abundant number, since it is smaller than the sum of its proper divisors (140152866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139771614 is a wasteful number, since it uses less digits than its factorization.

139771614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31775.

The product of its digits is 31752, while the sum is 39.

The square root of 139771614 is about 11822.5045569879. The cubic root of 139771614 is about 518.9669010415.

The spelling of 139771614 in words is "one hundred thirty-nine million, seven hundred seventy-one thousand, six hundred fourteen".