138102360 has 64 divisors (see below), whose sum is σ = 451975680. Its totient is φ = 33479040.

The previous prime is 138102347. The next prime is 138102361. The reversal of 138102360 is 63201831.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 138102360.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138102361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50992 + ... + 53631.

It is an arithmetic number, because the mean of its divisors is an integer number (7062120).

Almost surely, 2^138102360 is an apocalyptic number.

138102360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138102360 is an abundant number, since it is smaller than the sum of its proper divisors (313873320).

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

138102360 is a wasteful number, since it uses less digits than its factorization.

138102360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104648 (or 104644 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 138102360 is about 11751.6960478052. The cubic root of 138102360 is about 516.8926619146.

The spelling of 138102360 in words is "one hundred thirty-eight million, one hundred two thousand, three hundred sixty".