149213933 has 12 divisors (see below), whose sum is σ = 168449820. Its totient is φ = 131978880.

The previous prime is 149213927. The next prime is 149213957. The reversal of 149213933 is 339312941.

It can be written as a sum of positive squares in 2 ways, for example, as 120516484 + 28697449 = 10978^2 + 5357^2 .

It is not a de Polignac number, because 149213933 - 2²⁰ = 148165357 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 149213893 and 149213902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149213923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12188 + ... + 21141.

It is an arithmetic number, because the mean of its divisors is an integer number (14037485).

Almost surely, 2^149213933 is an apocalyptic number.

It is an amenable number.

149213933 is a deficient number, since it is larger than the sum of its proper divisors (19235887).

149213933 is a wasteful number, since it uses less digits than its factorization.

149213933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33388 (or 33377 counting only the distinct ones).

The product of its digits is 17496, while the sum is 35.

The square root of 149213933 is about 12215.3155096379. The cubic root of 149213933 is about 530.3995243158.

The spelling of 149213933 in words is "one hundred forty-nine million, two hundred thirteen thousand, nine hundred thirty-three".