149940126 has 32 divisors (see below), whose sum is σ = 380801280. Its totient is φ = 42839928.

The previous prime is 149940101. The next prime is 149940139. The reversal of 149940126 is 621049941.

It is a happy number.

149940126 is a `hidden beast` number, since 1 + 499 + 40 + 126 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197956 + ... + 198711.

It is an arithmetic number, because the mean of its divisors is an integer number (11900040).

Almost surely, 2^149940126 is an apocalyptic number.

149940126 is an abundant number, since it is smaller than the sum of its proper divisors (230861154).

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

149940126 is a wasteful number, since it uses less digits than its factorization.

149940126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396685 (or 396679 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 149940126 is about 12245.0041241316. The cubic root of 149940126 is about 531.2585800506.

The spelling of 149940126 in words is "one hundred forty-nine million, nine hundred forty thousand, one hundred twenty-six".