1436628013 has 4 divisors (see below), whose sum is σ = 1486166940. Its totient is φ = 1387089088.

The previous prime is 1436628007. The next prime is 1436628023. The reversal of 1436628013 is 3108266341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3108266341 = 6679 ⋅465379.

It can be written as a sum of positive squares in 2 ways, for example, as 701296324 + 735331689 = 26482^2 + 27117^2 .

It is a cyclic number.

It is not a de Polignac number, because 1436628013 - 2⁹ = 1436627501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1436628013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1436628023) 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, 24769420 + ... + 24769477.

It is an arithmetic number, because the mean of its divisors is an integer number (371541735).

Almost surely, 2^1436628013 is an apocalyptic number.

It is an amenable number.

1436628013 is a deficient number, since it is larger than the sum of its proper divisors (49538927).

1436628013 is an equidigital number, since it uses as much as digits as its factorization.

1436628013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49538926.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1436628013 is about 37902.8760518249. The cubic root of 1436628013 is about 1128.3611120733.

The spelling of 1436628013 in words is "one billion, four hundred thirty-six million, six hundred twenty-eight thousand, thirteen".