139114440 has 48 divisors (see below), whose sum is σ = 452123100. Its totient is φ = 37097088.

The previous prime is 139114439. The next prime is 139114441. The reversal of 139114440 is 44411931.

It is an interprime number because it is at equal distance from previous prime (139114439) and next prime (139114441).

It can be written as a sum of positive squares in 2 ways, for example, as 138438756 + 675684 = 11766^2 + 822^2 .

It is not an unprimeable number, because it can be changed into a prime (139114441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192855 + ... + 193574.

Almost surely, 2^139114440 is an apocalyptic number.

139114440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139114440 is an abundant number, since it is smaller than the sum of its proper divisors (313008660).

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

139114440 is a wasteful number, since it uses less digits than its factorization.

139114440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386446 (or 386439 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 139114440 is about 11794.6784610688. The cubic root of 139114440 is about 518.1522686079.

The spelling of 139114440 in words is "one hundred thirty-nine million, one hundred fourteen thousand, four hundred forty".