136486134898261 has 8 divisors (see below), whose sum is σ = 143669746116000. Its totient is φ = 129302536723920.

The previous prime is 136486134898219. The next prime is 136486134898277. The reversal of 136486134898261 is 162898431684631.

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

It is a de Polignac number, because none of the positive numbers 2^k-136486134898261 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 (136486134898661) 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, 24108015 + ... + 29226163.

It is an arithmetic number, because the mean of its divisors is an integer number (17958718264500).

Almost surely, 2^{136486134898261} is an apocalyptic number.

It is an amenable number.

136486134898261 is a deficient number, since it is larger than the sum of its proper divisors (7183611217739).

136486134898261 is a wasteful number, since it uses less digits than its factorization.

136486134898261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6521699.

The product of its digits is 286654464, while the sum is 70.

The spelling of 136486134898261 in words is "one hundred thirty-six trillion, four hundred eighty-six billion, one hundred thirty-four million, eight hundred ninety-eight thousand, two hundred sixty-one".