1358012613 has 4 divisors (see below), whose sum is σ = 1810683488. Its totient is φ = 905341740.

The previous prime is 1358012603. The next prime is 1358012639. The reversal of 1358012613 is 3162108531.

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 1358012613 - 2⁴ = 1358012597 is a prime.

It is a super-3 number, since 3×1358012613³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1358012603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226335433 + ... + 226335438.

It is an arithmetic number, because the mean of its divisors is an integer number (452670872).

Almost surely, 2^1358012613 is an apocalyptic number.

It is an amenable number.

1358012613 is a deficient number, since it is larger than the sum of its proper divisors (452670875).

1358012613 is an equidigital number, since it uses as much as digits as its factorization.

1358012613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452670874.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1358012613 is about 36851.2226798515. Note that the first 3 decimals coincide. The cubic root of 1358012613 is about 1107.3917095904.

The spelling of 1358012613 in words is "one billion, three hundred fifty-eight million, twelve thousand, six hundred thirteen".