1002136319 has 4 divisors (see below), whose sum is σ = 1011004896. Its totient is φ = 993267744.

The previous prime is 1002136313. The next prime is 1002136327. The reversal of 1002136319 is 9136312001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002136319 is a prime.

It is a super-2 number, since 2×1002136319² = 2008554403717739522, which contains 22 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 (1002136313) 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, 4434119 + ... + 4434344.

It is an arithmetic number, because the mean of its divisors is an integer number (252751224).

Almost surely, 2^1002136319 is an apocalyptic number.

1002136319 is a deficient number, since it is larger than the sum of its proper divisors (8868577).

1002136319 is an equidigital number, since it uses as much as digits as its factorization.

1002136319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8868576.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 1002136319 is about 31656.5367499352. The cubic root of 1002136319 is about 1000.7115998389.

The spelling of 1002136319 in words is "one billion, two million, one hundred thirty-six thousand, three hundred nineteen".