149438396 has 6 divisors (see below), whose sum is σ = 261517200. Its totient is φ = 74719196.

The previous prime is 149438339. The next prime is 149438411. The reversal of 149438396 is 693834941.

It is a happy number.

149438396 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×149438396⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a self number, because there is not a number n which added to its sum of digits gives 149438396.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18679796 + ... + 18679803.

It is an arithmetic number, because the mean of its divisors is an integer number (43586200).

Almost surely, 2^149438396 is an apocalyptic number.

It is an amenable number.

149438396 is a deficient number, since it is larger than the sum of its proper divisors (112078804).

149438396 is a wasteful number, since it uses less digits than its factorization.

149438396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37359603 (or 37359601 counting only the distinct ones).

The product of its digits is 559872, while the sum is 47.

The square root of 149438396 is about 12224.4998261688. The cubic root of 149438396 is about 530.6653516363.

The spelling of 149438396 in words is "one hundred forty-nine million, four hundred thirty-eight thousand, three hundred ninety-six".