135602641 has 4 divisors (see below), whose sum is σ = 141498432. Its totient is φ = 129706852.

The previous prime is 135602629. The next prime is 135602651. The reversal of 135602641 is 146206531.

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 135602641 - 2²⁵ = 102048209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135602651) 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, 2947861 + ... + 2947906.

It is an arithmetic number, because the mean of its divisors is an integer number (35374608).

Almost surely, 2^135602641 is an apocalyptic number.

It is an amenable number.

135602641 is a deficient number, since it is larger than the sum of its proper divisors (5895791).

135602641 is an equidigital number, since it uses as much as digits as its factorization.

135602641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5895790.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 135602641 is about 11644.8547006822. The cubic root of 135602641 is about 513.7549854971.

The spelling of 135602641 in words is "one hundred thirty-five million, six hundred two thousand, six hundred forty-one".