139101912378 has 96 divisors (see below), whose sum is σ = 374905806912. Its totient is φ = 36620812800.

The previous prime is 139101912331. The next prime is 139101912421. The reversal of 139101912378 is 873219101931.

It is a happy number.

139101912378 is a `hidden beast` number, since 1 + 3 + 91 + 0 + 191 + 2 + 378 = 666.

139101912378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×139101912378² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1545688 + ... + 1633203.

It is an arithmetic number, because the mean of its divisors is an integer number (3905268822).

Almost surely, 2^139101912378 is an apocalyptic number.

139101912378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

139101912378 is an abundant number, since it is smaller than the sum of its proper divisors (235803894534).

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

139101912378 is a wasteful number, since it uses less digits than its factorization.

139101912378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178940 (or 3178937 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The spelling of 139101912378 in words is "one hundred thirty-nine billion, one hundred one million, nine hundred twelve thousand, three hundred seventy-eight".