1139752015 has 8 divisors (see below), whose sum is σ = 1393508448. Its totient is φ = 894597600.

The previous prime is 1139751947. The next prime is 1139752027. The reversal of 1139752015 is 5102579311.

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

It is a de Polignac number, because none of the positive numbers 2^k-1139752015 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2150211 + ... + 2150740.

It is an arithmetic number, because the mean of its divisors is an integer number (174188556).

Almost surely, 2^1139752015 is an apocalyptic number.

1139752015 is a deficient number, since it is larger than the sum of its proper divisors (253756433).

1139752015 is an equidigital number, since it uses as much as digits as its factorization.

1139752015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4301009.

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 1139752015 is about 33760.2134916235. The cubic root of 1139752015 is about 1044.5681739537.

The spelling of 1139752015 in words is "one billion, one hundred thirty-nine million, seven hundred fifty-two thousand, fifteen".