136141691 has 8 divisors (see below), whose sum is σ = 158141664. Its totient is φ = 114779520.

The previous prime is 136141679. The next prime is 136141697. The reversal of 136141691 is 196141631.

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 136141691 - 2¹⁸ = 135879547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136141697) 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, 158990 + ... + 159843.

It is an arithmetic number, because the mean of its divisors is an integer number (19767708).

Almost surely, 2^136141691 is an apocalyptic number.

136141691 is a deficient number, since it is larger than the sum of its proper divisors (21999973).

136141691 is an equidigital number, since it uses as much as digits as its factorization.

136141691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318901.

The product of its digits is 3888, while the sum is 32.

The square root of 136141691 is about 11667.9771597308. The cubic root of 136141691 is about 514.4348480379.

The spelling of 136141691 in words is "one hundred thirty-six million, one hundred forty-one thousand, six hundred ninety-one".