149913788 has 12 divisors (see below), whose sum is σ = 269439912. Its totient is φ = 72930960.

The previous prime is 149913787. The next prime is 149913859. The reversal of 149913788 is 887319941.

149913788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149913787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506318 + ... + 506613.

It is an arithmetic number, because the mean of its divisors is an integer number (22453326).

Almost surely, 2^149913788 is an apocalyptic number.

It is an amenable number.

149913788 is a deficient number, since it is larger than the sum of its proper divisors (119526124).

149913788 is a wasteful number, since it uses less digits than its factorization.

149913788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012972 (or 1012970 counting only the distinct ones).

The product of its digits is 435456, while the sum is 50.

The square root of 149913788 is about 12243.9286178906. The cubic root of 149913788 is about 531.2274718382.

The spelling of 149913788 in words is "one hundred forty-nine million, nine hundred thirteen thousand, seven hundred eighty-eight".