139888275 has 24 divisors (see below), whose sum is σ = 238746624. Its totient is φ = 72199200.

The previous prime is 139888267. The next prime is 139888313. The reversal of 139888275 is 572888931.

It is not a de Polignac number, because 139888275 - 2³ = 139888267 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27759 + ... + 32408.

It is an arithmetic number, because the mean of its divisors is an integer number (9947776).

Almost surely, 2^139888275 is an apocalyptic number.

139888275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

139888275 is a deficient number, since it is larger than the sum of its proper divisors (98858349).

139888275 is a wasteful number, since it uses less digits than its factorization.

139888275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60211 (or 60206 counting only the distinct ones).

The product of its digits is 967680, while the sum is 51.

The square root of 139888275 is about 11827.4373809376. The cubic root of 139888275 is about 519.1112469009. Note that the first 3 decimals are identical.

The spelling of 139888275 in words is "one hundred thirty-nine million, eight hundred eighty-eight thousand, two hundred seventy-five".