149136912 has 60 divisors (see below), whose sum is σ = 425273004. Its totient is φ = 48771840.

The previous prime is 149136901. The next prime is 149136919. The reversal of 149136912 is 219631941.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 71978256 + 77158656 = 8484^2 + 8784^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (149136919) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2139 + ... + 17402.

Almost surely, 2^149136912 is an apocalyptic number.

149136912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149136912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212636502).

149136912 is an abundant number, since it is smaller than the sum of its proper divisors (276136092).

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

149136912 is a wasteful number, since it uses less digits than its factorization.

149136912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19608 (or 19599 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 149136912 is about 12212.1624620703. The cubic root of 149136912 is about 530.3082483607.

The spelling of 149136912 in words is "one hundred forty-nine million, one hundred thirty-six thousand, nine hundred twelve".