1456538113 has 4 divisors (see below), whose sum is σ = 1463857600. Its totient is φ = 1449218628.

The previous prime is 1456538099. The next prime is 1456538123. The reversal of 1456538113 is 3118356541.

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: 3118356541 = 467 ⋅6677423.

It is a cyclic number.

It is not a de Polignac number, because 1456538113 - 2⁹ = 1456537601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1456538123) 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, 3659445 + ... + 3659842.

It is an arithmetic number, because the mean of its divisors is an integer number (365964400).

Almost surely, 2^1456538113 is an apocalyptic number.

It is an amenable number.

1456538113 is a deficient number, since it is larger than the sum of its proper divisors (7319487).

1456538113 is an equidigital number, since it uses as much as digits as its factorization.

1456538113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7319486.

The product of its digits is 43200, while the sum is 37.

The square root of 1456538113 is about 38164.6186015267. The cubic root of 1456538113 is about 1133.5498341774.

The spelling of 1456538113 in words is "one billion, four hundred fifty-six million, five hundred thirty-eight thousand, one hundred thirteen".