149389716422 has 16 divisors (see below), whose sum is σ = 225162470544. Its totient is φ = 74335968000.

The previous prime is 149389716391. The next prime is 149389716439. The reversal of 149389716422 is 224617983941.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636722 + ... + 839162.

It is an arithmetic number, because the mean of its divisors is an integer number (14072654409).

Almost surely, 2^149389716422 is an apocalyptic number.

149389716422 is a deficient number, since it is larger than the sum of its proper divisors (75772754122).

149389716422 is a wasteful number, since it uses less digits than its factorization.

149389716422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204215.

The product of its digits is 5225472, while the sum is 56.

The spelling of 149389716422 in words is "one hundred forty-nine billion, three hundred eighty-nine million, seven hundred sixteen thousand, four hundred twenty-two".