1148865239 has 8 divisors (see below), whose sum is σ = 1193206272. Its totient is φ = 1104979320.

The previous prime is 1148865217. The next prime is 1148865283. The reversal of 1148865239 is 9325688411.

It is a happy number.

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 1148865239 - 2¹⁶ = 1148799703 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1148865193 and 1148865202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148865539) 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, 108629 + ... + 118734.

It is an arithmetic number, because the mean of its divisors is an integer number (149150784).

Almost surely, 2^1148865239 is an apocalyptic number.

1148865239 is a deficient number, since it is larger than the sum of its proper divisors (44341033).

1148865239 is a wasteful number, since it uses less digits than its factorization.

1148865239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227557.

The product of its digits is 414720, while the sum is 47.

The square root of 1148865239 is about 33894.9146480707. The cubic root of 1148865239 is about 1047.3448376642.

The spelling of 1148865239 in words is "one billion, one hundred forty-eight million, eight hundred sixty-five thousand, two hundred thirty-nine".