135727224437 has 4 divisors (see below), whose sum is σ = 155116827936. Its totient is φ = 116337620940.

The previous prime is 135727224427. The next prime is 135727224463. The reversal of 135727224437 is 734422727531.

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: 734422727531 = 29 ⋅25324921639.

It is a cyclic number.

It is not a de Polignac number, because 135727224437 - 2⁴ = 135727224421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135727224391 and 135727224400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135727224427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9694801739 + ... + 9694801752.

It is an arithmetic number, because the mean of its divisors is an integer number (38779206984).

Almost surely, 2^135727224437 is an apocalyptic number.

It is an amenable number.

135727224437 is a deficient number, since it is larger than the sum of its proper divisors (19389603499).

135727224437 is an equidigital number, since it uses as much as digits as its factorization.

135727224437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19389603498.

The product of its digits is 1975680, while the sum is 47.

The spelling of 135727224437 in words is "one hundred thirty-five billion, seven hundred twenty-seven million, two hundred twenty-four thousand, four hundred thirty-seven".