136003641 has 4 divisors (see below), whose sum is σ = 181338192. Its totient is φ = 90669092.

The previous prime is 136003639. The next prime is 136003643. The reversal of 136003641 is 146300631.

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 an interprime number because it is at equal distance from previous prime (136003639) and next prime (136003643).

It is a cyclic number.

It is not a de Polignac number, because 136003641 - 2¹ = 136003639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136003643) 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, 22667271 + ... + 22667276.

It is an arithmetic number, because the mean of its divisors is an integer number (45334548).

Almost surely, 2^136003641 is an apocalyptic number.

It is an amenable number.

136003641 is a deficient number, since it is larger than the sum of its proper divisors (45334551).

136003641 is an equidigital number, since it uses as much as digits as its factorization.

136003641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45334550.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 136003641 is about 11662.0598952329. The cubic root of 136003641 is about 514.2609073242.

The spelling of 136003641 in words is "one hundred thirty-six million, three thousand, six hundred forty-one".