149786734992 has 40 divisors (see below), whose sum is σ = 407314808160. Its totient is φ = 47301073920.

The previous prime is 149786734969. The next prime is 149786735017. The reversal of 149786734992 is 299437687941.

It is a happy 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, 82119009 + ... + 82120832.

It is an arithmetic number, because the mean of its divisors is an integer number (10182870204).

Almost surely, 2^149786734992 is an apocalyptic number.

149786734992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

149786734992 is an abundant number, since it is smaller than the sum of its proper divisors (257528073168).

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

149786734992 is a wasteful number, since it uses less digits than its factorization.

149786734992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164239871 (or 164239865 counting only the distinct ones).

The product of its digits is 164602368, while the sum is 69.

The spelling of 149786734992 in words is "one hundred forty-nine billion, seven hundred eighty-six million, seven hundred thirty-four thousand, nine hundred ninety-two".