13015700149 has 4 divisors (see below), whose sum is σ = 13021262380. Its totient is φ = 13010137920.

The previous prime is 13015700107. The next prime is 13015700171. The reversal of 13015700149 is 94100751031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94100751031 = 7 ⋅13442964433.

It can be written as a sum of positive squares in 2 ways, for example, as 5629500900 + 7386199249 = 75030^2 + 85943^2 .

It is a cyclic number.

It is not a de Polignac number, because 13015700149 - 2²⁵ = 12982145717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13015700149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13015700249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2777604 + ... + 2782285.

It is an arithmetic number, because the mean of its divisors is an integer number (3255315595).

Almost surely, 2^13015700149 is an apocalyptic number.

It is an amenable number.

13015700149 is a deficient number, since it is larger than the sum of its proper divisors (5562231).

13015700149 is an equidigital number, since it uses as much as digits as its factorization.

13015700149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5562230.

The product of its (nonzero) digits is 3780, while the sum is 31.

The spelling of 13015700149 in words is "thirteen billion, fifteen million, seven hundred thousand, one hundred forty-nine".