149129760 has 96 divisors (see below), whose sum is σ = 505915200. Its totient is φ = 36707328.

The previous prime is 149129753. The next prime is 149129807. The reversal of 149129760 is 67921941.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5710 + ... + 18189.

It is an arithmetic number, because the mean of its divisors is an integer number (5269950).

Almost surely, 2^149129760 is an apocalyptic number.

149129760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149129760 is an abundant number, since it is smaller than the sum of its proper divisors (356785440).

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

149129760 is a wasteful number, since it uses less digits than its factorization.

149129760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23930 (or 23922 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 149129760 is about 12211.8696357274. The cubic root of 149129760 is about 530.2997710827.

The spelling of 149129760 in words is "one hundred forty-nine million, one hundred twenty-nine thousand, seven hundred sixty".