138104680 has 32 divisors (see below), whose sum is σ = 355127040. Its totient is φ = 47350080.

The previous prime is 138104657. The next prime is 138104717. The reversal of 138104680 is 86401831.

138104680 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-5 number, since 5×138104680⁵ (a number of 42 digits) contains 55555 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246336 + ... + 246895.

It is an arithmetic number, because the mean of its divisors is an integer number (11097720).

Almost surely, 2^138104680 is an apocalyptic number.

138104680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138104680 is an abundant number, since it is smaller than the sum of its proper divisors (217022360).

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

138104680 is a wasteful number, since it uses less digits than its factorization.

138104680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493249 (or 493245 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 138104680 is about 11751.7947565468. The cubic root of 138104680 is about 516.8955563480.

The spelling of 138104680 in words is "one hundred thirty-eight million, one hundred four thousand, six hundred eighty".