13670401262157 has 6 divisors (see below), whose sum is σ = 19746135156462. Its totient is φ = 9113600841432.

The previous prime is 13670401262123. The next prime is 13670401262183. The reversal of 13670401262157 is 75126210407631.

13670401262157 is a `hidden beast` number, since 1 + 3 + 6 + 7 + 0 + 4 + 0 + 12 + 621 + 5 + 7 = 666.

13670401262157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12605581588356 + 1064819673801 = 3550434^2 + 1031901^2 .

It is not a de Polignac number, because 13670401262157 - 2⁶ = 13670401262093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13670401262197) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 759466736778 + ... + 759466736795.

It is an arithmetic number, because the mean of its divisors is an integer number (3291022526077).

Almost surely, 2^{13670401262157} is an apocalyptic number.

It is an amenable number.

13670401262157 is a deficient number, since it is larger than the sum of its proper divisors (6075733894305).

13670401262157 is a wasteful number, since it uses less digits than its factorization.

13670401262157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518933473579 (or 1518933473576 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

Adding to 13670401262157 its reverse (75126210407631), we get a palindrome (88796611669788).

The spelling of 13670401262157 in words is "thirteen trillion, six hundred seventy billion, four hundred one million, two hundred sixty-two thousand, one hundred fifty-seven".