136420312747 has 8 divisors (see below), whose sum is σ = 136755056144. Its totient is φ = 136085660928.

The previous prime is 136420312729. The next prime is 136420312751. The reversal of 136420312747 is 747213024631.

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 136420312747 - 2³¹ = 134272829099 is a prime.

It is a super-2 number, since 2×136420312747² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136420312247) 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, 3689383 + ... + 3726175.

It is an arithmetic number, because the mean of its divisors is an integer number (17094382018).

Almost surely, 2^136420312747 is an apocalyptic number.

136420312747 is a deficient number, since it is larger than the sum of its proper divisors (334743397).

136420312747 is an equidigital number, since it uses as much as digits as its factorization.

136420312747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45789.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 136420312747 in words is "one hundred thirty-six billion, four hundred twenty million, three hundred twelve thousand, seven hundred forty-seven".