138202270789 has 16 divisors (see below), whose sum is σ = 151622115840. Its totient is φ = 124927110000.

The previous prime is 138202270733. The next prime is 138202270793. The reversal of 138202270789 is 987072202831.

It is a happy number.

It is not a de Polignac number, because 138202270789 - 2²⁹ = 137665399877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138202270289) 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, 1329864 + ... + 1430014.

It is an arithmetic number, because the mean of its divisors is an integer number (9476382240).

Almost surely, 2^138202270789 is an apocalyptic number.

It is an amenable number.

138202270789 is a deficient number, since it is larger than the sum of its proper divisors (13419845051).

138202270789 is a wasteful number, since it uses less digits than its factorization.

138202270789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100872.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 138202270789 in words is "one hundred thirty-eight billion, two hundred two million, two hundred seventy thousand, seven hundred eighty-nine".