139275140 has 24 divisors (see below), whose sum is σ = 292814592. Its totient is φ = 55645920.

The previous prime is 139275137. The next prime is 139275163. The reversal of 139275140 is 41572931.

It is a junction number, because it is equal to n+sod(n) for n = 139275097 and 139275106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16307 + ... + 23333.

It is an arithmetic number, because the mean of its divisors is an integer number (12200608).

Almost surely, 2^139275140 is an apocalyptic number.

139275140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139275140 is an abundant number, since it is smaller than the sum of its proper divisors (153539452).

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

139275140 is a wasteful number, since it uses less digits than its factorization.

139275140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8027 (or 8025 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 139275140 is about 11801.4888891190. The cubic root of 139275140 is about 518.3517087900.

The spelling of 139275140 in words is "one hundred thirty-nine million, two hundred seventy-five thousand, one hundred forty".