13144562261 has 8 divisors (see below), whose sum is σ = 13719330240. Its totient is φ = 12570066432.

The previous prime is 13144562251. The next prime is 13144562267. The reversal of 13144562261 is 16226544131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13144562261 - 2²⁶ = 13077453397 is a prime.

It is a super-3 number, since 3×13144562261³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13144562267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33941 + ... + 165653.

It is an arithmetic number, because the mean of its divisors is an integer number (1714916280).

Almost surely, 2^13144562261 is an apocalyptic number.

It is an amenable number.

13144562261 is a deficient number, since it is larger than the sum of its proper divisors (574767979).

13144562261 is a wasteful number, since it uses less digits than its factorization.

13144562261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136075.

The product of its digits is 34560, while the sum is 35.

The spelling of 13144562261 in words is "thirteen billion, one hundred forty-four million, five hundred sixty-two thousand, two hundred sixty-one".