149024139 has 16 divisors (see below), whose sum is σ = 217023744. Its totient is φ = 90208800.

The previous prime is 149024129. The next prime is 149024149. The reversal of 149024139 is 931420941.

It is an interprime number because it is at equal distance from previous prime (149024129) and next prime (149024149).

It is not a de Polignac number, because 149024139 - 2⁸ = 149023883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (149024119) 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, 31482 + ... + 35904.

It is an arithmetic number, because the mean of its divisors is an integer number (13563984).

Almost surely, 2^149024139 is an apocalyptic number.

149024139 is a deficient number, since it is larger than the sum of its proper divisors (67999605).

149024139 is a wasteful number, since it uses less digits than its factorization.

149024139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5458.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 149024139 is about 12207.5443476565. The cubic root of 149024139 is about 530.1745467578.

The spelling of 149024139 in words is "one hundred forty-nine million, twenty-four thousand, one hundred thirty-nine".