138051120 has 40 divisors (see below), whose sum is σ = 427959216. Its totient is φ = 36813568.

The previous prime is 138051119. The next prime is 138051127. The reversal of 138051120 is 21150831.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×138051120² = 38116223466508800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (138051127) 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 7 ways as a sum of consecutive naturals, for example, 287367 + ... + 287846.

Almost surely, 2^138051120 is an apocalyptic number.

138051120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138051120 is an abundant number, since it is smaller than the sum of its proper divisors (289908096).

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

138051120 is a wasteful number, since it uses less digits than its factorization.

138051120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575229 (or 575223 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 138051120 is about 11749.5157347016. The cubic root of 138051120 is about 516.8287265932.

The spelling of 138051120 in words is "one hundred thirty-eight million, fifty-one thousand, one hundred twenty".