149742136280 has 32 divisors (see below), whose sum is σ = 367548881040. Its totient is φ = 54451685760.

The previous prime is 149742136279. The next prime is 149742136361. The reversal of 149742136280 is 82631247941.

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, 170161079 + ... + 170161958.

Almost surely, 2^149742136280 is an apocalyptic number.

149742136280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149742136280 is an abundant number, since it is smaller than the sum of its proper divisors (217806744760).

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

149742136280 is a wasteful number, since it uses less digits than its factorization.

149742136280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340323059 (or 340323055 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 149742136280 in words is "one hundred forty-nine billion, seven hundred forty-two million, one hundred thirty-six thousand, two hundred eighty".