136146172447 has 2 divisors, whose sum is σ = 136146172448. Its totient is φ = 136146172446.

The previous prime is 136146172417. The next prime is 136146172457. The reversal of 136146172447 is 744271641631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136146172447 - 2⁷ = 136146172319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136146172397 and 136146172406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136146172417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68073086223 + 68073086224.

It is an arithmetic number, because the mean of its divisors is an integer number (68073086224).

Almost surely, 2^136146172447 is an apocalyptic number.

136146172447 is a deficient number, since it is larger than the sum of its proper divisors (1).

136146172447 is an equidigital number, since it uses as much as digits as its factorization.

136146172447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 46.

The spelling of 136146172447 in words is "one hundred thirty-six billion, one hundred forty-six million, one hundred seventy-two thousand, four hundred forty-seven".