136146178401 has 4 divisors (see below), whose sum is σ = 181528237872. Its totient is φ = 90764118932.

The previous prime is 136146178277. The next prime is 136146178429. The reversal of 136146178401 is 104871641631.

It is a happy number.

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 not a de Polignac number, because 136146178401 - 2²⁶ = 136079069537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136146178451) 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, 22691029731 + ... + 22691029736.

It is an arithmetic number, because the mean of its divisors is an integer number (45382059468).

Almost surely, 2^136146178401 is an apocalyptic number.

It is an amenable number.

136146178401 is a deficient number, since it is larger than the sum of its proper divisors (45382059471).

136146178401 is an equidigital number, since it uses as much as digits as its factorization.

136146178401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45382059470.

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 136146178401 in words is "one hundred thirty-six billion, one hundred forty-six million, one hundred seventy-eight thousand, four hundred one".