135437413 has 4 divisors (see below), whose sum is σ = 136185868. Its totient is φ = 134688960.

The previous prime is 135437387. The next prime is 135437429. The reversal of 135437413 is 314734531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314734531 = 1637 ⋅192263.

It can be written as a sum of positive squares in 2 ways, for example, as 6796449 + 128640964 = 2607^2 + 11342^2 .

It is a cyclic number.

It is not a de Polignac number, because 135437413 - 2⁹ = 135436901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135437483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373956 + ... + 374317.

It is an arithmetic number, because the mean of its divisors is an integer number (34046467).

Almost surely, 2^135437413 is an apocalyptic number.

It is an amenable number.

135437413 is a deficient number, since it is larger than the sum of its proper divisors (748455).

135437413 is an equidigital number, since it uses as much as digits as its factorization.

135437413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748454.

The product of its digits is 15120, while the sum is 31.

The square root of 135437413 is about 11637.7580744747. The cubic root of 135437413 is about 513.5462353606.

The spelling of 135437413 in words is "one hundred thirty-five million, four hundred thirty-seven thousand, four hundred thirteen".