149135320 has 32 divisors (see below), whose sum is σ = 336002400. Its totient is φ = 59574528.

The previous prime is 149135317. The next prime is 149135321. The reversal of 149135320 is 23531941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149135321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34732 + ... + 38788.

It is an arithmetic number, because the mean of its divisors is an integer number (10500075).

Almost surely, 2^149135320 is an apocalyptic number.

149135320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149135320 is an abundant number, since it is smaller than the sum of its proper divisors (186867080).

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

149135320 is a wasteful number, since it uses less digits than its factorization.

149135320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4987 (or 4983 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 149135320 is about 12212.0972809751. The cubic root of 149135320 is about 530.3063613838.

The spelling of 149135320 in words is "one hundred forty-nine million, one hundred thirty-five thousand, three hundred twenty".