149398536 has 64 divisors (see below), whose sum is σ = 430894080. Its totient is φ = 42281280.

The previous prime is 149398523. The next prime is 149398541. The reversal of 149398536 is 635893941.

149398536 = 1099² + 1100² + ... + 1210².

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13821 + ... + 22131.

It is an arithmetic number, because the mean of its divisors is an integer number (6732720).

Almost surely, 2^149398536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149398536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215447040).

149398536 is an abundant number, since it is smaller than the sum of its proper divisors (281495544).

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

149398536 is a wasteful number, since it uses less digits than its factorization.

149398536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8434 (or 8430 counting only the distinct ones).

The product of its digits is 699840, while the sum is 48.

The square root of 149398536 is about 12222.8693848867. The cubic root of 149398536 is about 530.6181656332.

The spelling of 149398536 in words is "one hundred forty-nine million, three hundred ninety-eight thousand, five hundred thirty-six".