1002134399 has 8 divisors (see below), whose sum is σ = 1161427968. Its totient is φ = 846873720.

The previous prime is 1002134389. The next prime is 1002134401. The reversal of 1002134399 is 9934312001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1002134399 - 2⁸ = 1002134143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002134369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007687 + ... + 1008680.

It is an arithmetic number, because the mean of its divisors is an integer number (145178496).

Almost surely, 2^1002134399 is an apocalyptic number.

1002134399 is a deficient number, since it is larger than the sum of its proper divisors (159293569).

1002134399 is an equidigital number, since it uses as much as digits as its factorization.

1002134399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016445.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 1002134399 is about 31656.5064244303. The cubic root of 1002134399 is about 1000.7109607484.

The spelling of 1002134399 in words is "one billion, two million, one hundred thirty-four thousand, three hundred ninety-nine".