139896255 has 16 divisors (see below), whose sum is σ = 223985664. Its totient is φ = 74560800.

The previous prime is 139896233. The next prime is 139896269. The reversal of 139896255 is 552698931.

It is a happy number.

It is not a de Polignac number, because 139896255 - 2⁸ = 139895999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33282 + ... + 37248.

It is an arithmetic number, because the mean of its divisors is an integer number (13999104).

Almost surely, 2^139896255 is an apocalyptic number.

139896255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

139896255 is a deficient number, since it is larger than the sum of its proper divisors (84089409).

139896255 is a wasteful number, since it uses less digits than its factorization.

139896255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6326.

The product of its digits is 583200, while the sum is 48.

The square root of 139896255 is about 11827.7747273103. The cubic root of 139896255 is about 519.1211177043.

The spelling of 139896255 in words is "one hundred thirty-nine million, eight hundred ninety-six thousand, two hundred fifty-five".