138080418 has 16 divisors (see below), whose sum is σ = 315612480. Its totient is φ = 39451536.

The previous prime is 138080399. The next prime is 138080441. The reversal of 138080418 is 814080831.

It is a happy number.

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, 1643773 + ... + 1643856.

It is an arithmetic number, because the mean of its divisors is an integer number (19725780).

Almost surely, 2^138080418 is an apocalyptic number.

138080418 is an abundant number, since it is smaller than the sum of its proper divisors (177532062).

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

138080418 is a wasteful number, since it uses less digits than its factorization.

138080418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287641.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 138080418 is about 11750.7624433481. The cubic root of 138080418 is about 516.8652854587.

The spelling of 138080418 in words is "one hundred thirty-eight million, eighty thousand, four hundred eighteen".