149238699 has 16 divisors (see below), whose sum is σ = 210949920. Its totient is φ = 93524480.

The previous prime is 149238679. The next prime is 149238701. The reversal of 149238699 is 996832941.

It is not a de Polignac number, because 149238699 - 2⁸ = 149238443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (149238629) 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, 61489 + ... + 63869.

It is an arithmetic number, because the mean of its divisors is an integer number (13184370).

Almost surely, 2^149238699 is an apocalyptic number.

149238699 is a deficient number, since it is larger than the sum of its proper divisors (61711221).

149238699 is a wasteful number, since it uses less digits than its factorization.

149238699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630.

The product of its digits is 839808, while the sum is 51.

The square root of 149238699 is about 12216.3291949751. The cubic root of 149238699 is about 530.4288673038.

The spelling of 149238699 in words is "one hundred forty-nine million, two hundred thirty-eight thousand, six hundred ninety-nine".