149736 has 32 divisors (see below), whose sum is σ = 397440. Its totient is φ = 46848.

The previous prime is 149731. The next prime is 149749. The reversal of 149736 is 637941.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (149731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225 + ... + 591.

It is an arithmetic number, because the mean of its divisors is an integer number (12420).

2¹⁴⁹⁷³⁶ 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 149736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198720).

149736 is an abundant number, since it is smaller than the sum of its proper divisors (247704).

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

149736 is a wasteful number, since it uses less digits than its factorization.

149736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 389 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 149736 is about 386.9573619922. The cubic root of 149736 is about 53.1017388360.

The spelling of 149736 in words is "one hundred forty-nine thousand, seven hundred thirty-six".