135403007453 has 4 divisors (see below), whose sum is σ = 154746294240. Its totient is φ = 116059720668.

The previous prime is 135403007449. The next prime is 135403007459. The reversal of 135403007453 is 354700304531.

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, and also an emirpimes, since its reverse is a distinct semiprime: 354700304531 = 103 ⋅3443692277.

It is a cyclic number.

It is not a de Polignac number, because 135403007453 - 2² = 135403007449 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 (135403007459) 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, 9671643383 + ... + 9671643396.

It is an arithmetic number, because the mean of its divisors is an integer number (38686573560).

Almost surely, 2^135403007453 is an apocalyptic number.

It is an amenable number.

135403007453 is a deficient number, since it is larger than the sum of its proper divisors (19343286787).

135403007453 is an equidigital number, since it uses as much as digits as its factorization.

135403007453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19343286786.

The product of its (nonzero) digits is 75600, while the sum is 35.

The spelling of 135403007453 in words is "one hundred thirty-five billion, four hundred three million, seven thousand, four hundred fifty-three".