139256614 has 8 divisors (see below), whose sum is σ = 238725648. Its totient is φ = 59681400.

The previous prime is 139256603. The next prime is 139256617. The reversal of 139256614 is 416652931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139256617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4973437 + ... + 4973464.

It is an arithmetic number, because the mean of its divisors is an integer number (29840706).

Almost surely, 2^139256614 is an apocalyptic number.

139256614 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

139256614 is a deficient number, since it is larger than the sum of its proper divisors (99469034).

139256614 is an equidigital number, since it uses as much as digits as its factorization.

139256614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9946910.

The product of its digits is 38880, while the sum is 37.

The square root of 139256614 is about 11800.7039620524. The cubic root of 139256614 is about 518.3287245265.

The spelling of 139256614 in words is "one hundred thirty-nine million, two hundred fifty-six thousand, six hundred fourteen".