149998927 has 4 divisors (see below), whose sum is σ = 161537320. Its totient is φ = 138460536.

The previous prime is 149998903. The next prime is 149998967. The reversal of 149998927 is 729899941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 729899941 = 53 ⋅13771697.

It is a cyclic number.

It is not a de Polignac number, because 149998927 - 2²³ = 141610319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149998967) 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, 5769177 + ... + 5769202.

It is an arithmetic number, because the mean of its divisors is an integer number (40384330).

Almost surely, 2^149998927 is an apocalyptic number.

149998927 is a deficient number, since it is larger than the sum of its proper divisors (11538393).

149998927 is a wasteful number, since it uses less digits than its factorization.

149998927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11538392.

The product of its digits is 2939328, while the sum is 58.

The square root of 149998927 is about 12247.4049087960. The cubic root of 149998927 is about 531.3280176631.

The spelling of 149998927 in words is "one hundred forty-nine million, nine hundred ninety-eight thousand, nine hundred twenty-seven".