1005313139 has 8 divisors (see below), whose sum is σ = 1066116240. Its totient is φ = 944695296.

The previous prime is 1005313121. The next prime is 1005313151. The reversal of 1005313139 is 9313135001.

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

It is a cyclic number.

It is not a de Polignac number, because 1005313139 - 2⁸ = 1005312883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1005313189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35054 + ... + 56915.

It is an arithmetic number, because the mean of its divisors is an integer number (133264530).

Almost surely, 2^1005313139 is an apocalyptic number.

1005313139 is a deficient number, since it is larger than the sum of its proper divisors (60803101).

1005313139 is an equidigital number, since it uses as much as digits as its factorization.

1005313139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92629.

The product of its (nonzero) digits is 1215, while the sum is 26.

The square root of 1005313139 is about 31706.6734142830. The cubic root of 1005313139 is about 1001.7679189540.

The spelling of 1005313139 in words is "one billion, five million, three hundred thirteen thousand, one hundred thirty-nine".