138300156 has 48 divisors (see below), whose sum is σ = 359312800. Its totient is φ = 46002816.

The previous prime is 138300139. The next prime is 138300157. The reversal of 138300156 is 651003831.

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 (138300157) 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, 65160 + ... + 67248.

Almost surely, 2^138300156 is an apocalyptic number.

It is an amenable number.

138300156 is an abundant number, since it is smaller than the sum of its proper divisors (221012644).

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

138300156 is a wasteful number, since it uses less digits than its factorization.

138300156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715 (or 2707 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 138300156 is about 11760.1086729673. The cubic root of 138300156 is about 517.1393159888.

Adding to 138300156 its reverse (651003831), we get a palindrome (789303987).

The spelling of 138300156 in words is "one hundred thirty-eight million, three hundred thousand, one hundred fifty-six".