26158137133 has 8 divisors (see below), whose sum is σ = 27716533560. Its totient is φ = 24601927680.

The previous prime is 26158137079. The next prime is 26158137169. The reversal of 26158137133 is 33173185162.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8126481609 + 18031655524 = 90147^2 + 134282^2 .

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 26158137133 - 2⁹ = 26158136621 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 (26158137193) 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, 522078 + ... + 569983.

It is an arithmetic number, because the mean of its divisors is an integer number (3464566695).

Almost surely, 2^26158137133 is an apocalyptic number.

It is an amenable number.

26158137133 is a deficient number, since it is larger than the sum of its proper divisors (1558396427).

26158137133 is a wasteful number, since it uses less digits than its factorization.

26158137133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093487.

The product of its digits is 90720, while the sum is 40.

The spelling of 26158137133 in words is "twenty-six billion, one hundred fifty-eight million, one hundred thirty-seven thousand, one hundred thirty-three".