138485231150 has 48 divisors (see below), whose sum is σ = 294420013056. Its totient is φ = 47474202720.

The previous prime is 138485231141. The next prime is 138485231167. The reversal of 138485231150 is 51132584831.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 138485231098 and 138485231107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3059987 + ... + 3104913.

It is an arithmetic number, because the mean of its divisors is an integer number (6133750272).

Almost surely, 2^138485231150 is an apocalyptic number.

138485231150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138485231150 is an abundant number, since it is smaller than the sum of its proper divisors (155934781906).

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

138485231150 is a wasteful number, since it uses less digits than its factorization.

138485231150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53753 (or 53748 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 138485231150 in words is "one hundred thirty-eight billion, four hundred eighty-five million, two hundred thirty-one thousand, one hundred fifty".