149794117 has 4 divisors (see below), whose sum is σ = 163411776. Its totient is φ = 136176460.

The previous prime is 149794109. The next prime is 149794153. The reversal of 149794117 is 711497941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 149794117 - 2³ = 149794109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149794187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6808813 + ... + 6808834.

It is an arithmetic number, because the mean of its divisors is an integer number (40852944).

Almost surely, 2^149794117 is an apocalyptic number.

It is an amenable number.

149794117 is a deficient number, since it is larger than the sum of its proper divisors (13617659).

149794117 is a wasteful number, since it uses less digits than its factorization.

149794117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13617658.

The product of its digits is 63504, while the sum is 43.

The square root of 149794117 is about 12239.0406895312. The cubic root of 149794117 is about 531.0860806937.

The spelling of 149794117 in words is "one hundred forty-nine million, seven hundred ninety-four thousand, one hundred seventeen".