149927587 has 2 divisors, whose sum is σ = 149927588. Its totient is φ = 149927586.

The previous prime is 149927567. The next prime is 149927599. The reversal of 149927587 is 785729941.

It is a strong prime.

It is an emirp because it is prime and its reverse (785729941) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149927587 is a prime.

It is not a weakly prime, because it can be changed into another prime (149927567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74963793 + 74963794.

It is an arithmetic number, because the mean of its divisors is an integer number (74963794).

Almost surely, 2^149927587 is an apocalyptic number.

149927587 is a deficient number, since it is larger than the sum of its proper divisors (1).

149927587 is an equidigital number, since it uses as much as digits as its factorization.

149927587 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 149927587 is about 12244.4921086993. The cubic root of 149927587 is about 531.2437705013.

The spelling of 149927587 in words is "one hundred forty-nine million, nine hundred twenty-seven thousand, five hundred eighty-seven".