149187956 has 12 divisors (see below), whose sum is σ = 261168768. Its totient is φ = 74568312.

The previous prime is 149187953. The next prime is 149187967. The reversal of 149187956 is 659781941.

149187956 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 (149187953) 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, 13595 + ... + 21981.

It is an arithmetic number, because the mean of its divisors is an integer number (21764064).

Almost surely, 2^149187956 is an apocalyptic number.

It is an amenable number.

149187956 is a deficient number, since it is larger than the sum of its proper divisors (111980812).

149187956 is a wasteful number, since it uses less digits than its factorization.

149187956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12838 (or 12836 counting only the distinct ones).

The product of its digits is 544320, while the sum is 50.

The square root of 149187956 is about 12214.2521670383. The cubic root of 149187956 is about 530.3687430346.

The spelling of 149187956 in words is "one hundred forty-nine million, one hundred eighty-seven thousand, nine hundred fifty-six".