149321259 has 16 divisors (see below), whose sum is σ = 221680000. Its totient is φ = 99339048.

The previous prime is 149321219. The next prime is 149321273. The reversal of 149321259 is 952123941.

It is not a de Polignac number, because 149321259 - 2⁷ = 149321131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149321219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7932 + ... + 19014.

It is an arithmetic number, because the mean of its divisors is an integer number (13855000).

Almost surely, 2^149321259 is an apocalyptic number.

149321259 is a deficient number, since it is larger than the sum of its proper divisors (72358741).

149321259 is a wasteful number, since it uses less digits than its factorization.

149321259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11591 (or 11585 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 149321259 is about 12219.7078115641. The cubic root of 149321259 is about 530.5266617201.

The spelling of 149321259 in words is "one hundred forty-nine million, three hundred twenty-one thousand, two hundred fifty-nine".