149713680 has 160 divisors (see below), whose sum is σ = 481219200. Its totient is φ = 38486016.

The previous prime is 149713661. The next prime is 149713687. The reversal of 149713680 is 86317941.

It is not an unprimeable number, because it can be changed into a prime (149713687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1373466 + ... + 1373574.

It is an arithmetic number, because the mean of its divisors is an integer number (3007620).

Almost surely, 2^149713680 is an apocalyptic number.

149713680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149713680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240609600).

149713680 is an abundant number, since it is smaller than the sum of its proper divisors (331505520).

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

149713680 is a wasteful number, since it uses less digits than its factorization.

149713680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 149713680 is about 12235.7541655592. The cubic root of 149713680 is about 530.9910021493.

The spelling of 149713680 in words is "one hundred forty-nine million, seven hundred thirteen thousand, six hundred eighty".