138110454 has 16 divisors (see below), whose sum is σ = 306912240. Its totient is φ = 46036800.

The previous prime is 138110447. The next prime is 138110459. The reversal of 138110454 is 454011831.

It is a happy number.

138110454 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×138110454³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138110459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1278747 + ... + 1278854.

It is an arithmetic number, because the mean of its divisors is an integer number (19182015).

Almost surely, 2^138110454 is an apocalyptic number.

138110454 is an abundant number, since it is smaller than the sum of its proper divisors (168801786).

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

138110454 is a wasteful number, since it uses less digits than its factorization.

138110454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557612 (or 2557606 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 138110454 is about 11752.0404185826. The cubic root of 138110454 is about 516.9027598532.

It can be divided in two parts, 138 and 110454, that added together give a cube (110592 = 48³).

The spelling of 138110454 in words is "one hundred thirty-eight million, one hundred ten thousand, four hundred fifty-four".