139755315 has 32 divisors (see below), whose sum is σ = 256596480. Its totient is φ = 63627264.

The previous prime is 139755313. The next prime is 139755323. The reversal of 139755315 is 513557931.

It is not a de Polignac number, because 139755315 - 2¹ = 139755313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139755311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24396 + ... + 29574.

It is an arithmetic number, because the mean of its divisors is an integer number (8018640).

Almost surely, 2^139755315 is an apocalyptic number.

139755315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

139755315 is a deficient number, since it is larger than the sum of its proper divisors (116841165).

139755315 is a wasteful number, since it uses less digits than its factorization.

139755315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5451.

The product of its digits is 70875, while the sum is 39.

The square root of 139755315 is about 11821.8152159472. The cubic root of 139755315 is about 518.9467277266.

The spelling of 139755315 in words is "one hundred thirty-nine million, seven hundred fifty-five thousand, three hundred fifteen".