149213726 has 32 divisors (see below), whose sum is σ = 257541120. Its totient is φ = 64368000.

The previous prime is 149213693. The next prime is 149213737. The reversal of 149213726 is 627312941.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16301 + ... + 23751.

It is an arithmetic number, because the mean of its divisors is an integer number (8048160).

Almost surely, 2^149213726 is an apocalyptic number.

149213726 is a deficient number, since it is larger than the sum of its proper divisors (108327394).

149213726 is a wasteful number, since it uses less digits than its factorization.

149213726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7520.

The product of its digits is 18144, while the sum is 35.

The square root of 149213726 is about 12215.3070366651. The cubic root of 149213726 is about 530.3992790466.

The spelling of 149213726 in words is "one hundred forty-nine million, two hundred thirteen thousand, seven hundred twenty-six".