1035640613 has 4 divisors (see below), whose sum is σ = 1183589280. Its totient is φ = 887691948.

The previous prime is 1035640601. The next prime is 1035640621. The reversal of 1035640613 is 3160465301.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 1035640613 - 2¹⁴ = 1035624229 is a prime.

It is a super-3 number, since 3×1035640613³ (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 (1035640013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73974323 + ... + 73974336.

It is an arithmetic number, because the mean of its divisors is an integer number (295897320).

Almost surely, 2^1035640613 is an apocalyptic number.

It is an amenable number.

1035640613 is a deficient number, since it is larger than the sum of its proper divisors (147948667).

1035640613 is an equidigital number, since it uses as much as digits as its factorization.

1035640613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147948666.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1035640613 is about 32181.3705892089. The cubic root of 1035640613 is about 1011.7417949714.

The spelling of 1035640613 in words is "one billion, thirty-five million, six hundred forty thousand, six hundred thirteen".