149739888313 has 2 divisors, whose sum is σ = 149739888314. Its totient is φ = 149739888312.

The previous prime is 149739888203. The next prime is 149739888317. The reversal of 149739888313 is 313888937941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93398694544 + 56341193769 = 305612^2 + 237363^2 .

It is a cyclic number.

It is not a de Polignac number, because 149739888313 - 2²⁹ = 149203017401 is a prime.

It is not a weakly prime, because it can be changed into another prime (149739888317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74869944156 + 74869944157.

It is an arithmetic number, because the mean of its divisors is an integer number (74869944157).

Almost surely, 2^149739888313 is an apocalyptic number.

It is an amenable number.

149739888313 is a deficient number, since it is larger than the sum of its proper divisors (1).

149739888313 is an equidigital number, since it uses as much as digits as its factorization.

149739888313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31352832, while the sum is 64.

The spelling of 149739888313 in words is "one hundred forty-nine billion, seven hundred thirty-nine million, eight hundred eighty-eight thousand, three hundred thirteen".