135356438037 has 4 divisors (see below), whose sum is σ = 180475250720. Its totient is φ = 90237625356.

The previous prime is 135356438023. The next prime is 135356438039. The reversal of 135356438037 is 730834653531.

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 not a de Polignac number, because 135356438037 - 2²⁴ = 135339660821 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 (135356438039) 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, 22559406337 + ... + 22559406342.

It is an arithmetic number, because the mean of its divisors is an integer number (45118812680).

Almost surely, 2^135356438037 is an apocalyptic number.

It is an amenable number.

135356438037 is a deficient number, since it is larger than the sum of its proper divisors (45118812683).

135356438037 is an equidigital number, since it uses as much as digits as its factorization.

135356438037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45118812682.

The product of its (nonzero) digits is 2721600, while the sum is 48.

The spelling of 135356438037 in words is "one hundred thirty-five billion, three hundred fifty-six million, four hundred thirty-eight thousand, thirty-seven".