149857927 has 2 divisors, whose sum is σ = 149857928. Its totient is φ = 149857926.

The previous prime is 149857901. The next prime is 149857931. The reversal of 149857927 is 729758941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149857927 - 2²³ = 141469319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149857957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74928963 + 74928964.

It is an arithmetic number, because the mean of its divisors is an integer number (74928964).

Almost surely, 2^149857927 is an apocalyptic number.

149857927 is a deficient number, since it is larger than the sum of its proper divisors (1).

149857927 is an equidigital number, since it uses as much as digits as its factorization.

149857927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 52.

The square root of 149857927 is about 12241.6472339306. The cubic root of 149857927 is about 531.1614815007.

The spelling of 149857927 in words is "one hundred forty-nine million, eight hundred fifty-seven thousand, nine hundred twenty-seven".