135450641 has 4 divisors (see below), whose sum is σ = 135486900. Its totient is φ = 135414384.

The previous prime is 135450587. The next prime is 135450643. The reversal of 135450641 is 146054531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67305616 + 68145025 = 8204^2 + 8255^2 .

It is a cyclic number.

It is not a de Polignac number, because 135450641 - 2¹⁰ = 135449617 is a prime.

It is a super-2 number, since 2×135450641² = 36693752294621762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135450643) 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, 11786 + ... + 20243.

It is an arithmetic number, because the mean of its divisors is an integer number (33871725).

Almost surely, 2^135450641 is an apocalyptic number.

It is an amenable number.

135450641 is a deficient number, since it is larger than the sum of its proper divisors (36259).

135450641 is an equidigital number, since it uses as much as digits as its factorization.

135450641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36258.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 135450641 is about 11638.3263831188. The cubic root of 135450641 is about 513.5629539524.

The spelling of 135450641 in words is "one hundred thirty-five million, four hundred fifty thousand, six hundred forty-one".