136407265413281 has 4 divisors (see below), whose sum is σ = 136407300942000. Its totient is φ = 136407229884564.

The previous prime is 136407265413233. The next prime is 136407265413283. The reversal of 136407265413281 is 182314562704631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136407265413281 is a prime.

It is a super-2 number, since 2×136407265413281² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136407265413283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11195711 + ... + 19953908.

It is an arithmetic number, because the mean of its divisors is an integer number (34101825235500).

Almost surely, 2^{136407265413281} is an apocalyptic number.

It is an amenable number.

136407265413281 is a deficient number, since it is larger than the sum of its proper divisors (35528719).

136407265413281 is an equidigital number, since it uses as much as digits as its factorization.

136407265413281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35528718.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 136407265413281 in words is "one hundred thirty-six trillion, four hundred seven billion, two hundred sixty-five million, four hundred thirteen thousand, two hundred eighty-one".