138182040 has 48 divisors (see below), whose sum is σ = 449092800. Its totient is φ = 36848448.

The previous prime is 138182027. The next prime is 138182053. The reversal of 138182040 is 40281831.

138182040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (138182027) and next prime (138182053).

It is a junction number, because it is equal to n+sod(n) for n = 138181995 and 138182013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191560 + ... + 192279.

It is an arithmetic number, because the mean of its divisors is an integer number (9356100).

Almost surely, 2^138182040 is an apocalyptic number.

138182040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138182040 is an abundant number, since it is smaller than the sum of its proper divisors (310910760).

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

138182040 is a wasteful number, since it uses less digits than its factorization.

138182040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383856 (or 383849 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 138182040 is about 11755.0857078968. The cubic root of 138182040 is about 516.9920521758.

The spelling of 138182040 in words is "one hundred thirty-eight million, one hundred eighty-two thousand, forty".