134307637261 has 12 divisors (see below), whose sum is σ = 156637070460. Its totient is φ = 114824875200.

The previous prime is 134307637223. The next prime is 134307637279. The reversal of 134307637261 is 162736703431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 89445855625 + 44861781636 = 299075^2 + 211806^2 .

It is not a de Polignac number, because 134307637261 - 2³¹ = 132160153613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134307637561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3504040 + ... + 3542161.

It is an arithmetic number, because the mean of its divisors is an integer number (13053089205).

Almost surely, 2^134307637261 is an apocalyptic number.

It is an amenable number.

134307637261 is a deficient number, since it is larger than the sum of its proper divisors (22329433199).

134307637261 is an equidigital number, since it uses as much as digits as its factorization.

134307637261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7046604 (or 7046597 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 43.

The spelling of 134307637261 in words is "one hundred thirty-four billion, three hundred seven million, six hundred thirty-seven thousand, two hundred sixty-one".