1148238039 has 64 divisors (see below), whose sum is σ = 1833753600. Its totient is φ = 632282112.

The previous prime is 1148238031. The next prime is 1148238053. The reversal of 1148238039 is 9308328411.

It is not a de Polignac number, because 1148238039 - 2³ = 1148238031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 1148237988 and 1148238006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148238031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1516449 + ... + 1517205.

It is an arithmetic number, because the mean of its divisors is an integer number (28652400).

Almost surely, 2^1148238039 is an apocalyptic number.

1148238039 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1148238039 is a deficient number, since it is larger than the sum of its proper divisors (685515561).

1148238039 is a wasteful number, since it uses less digits than its factorization.

1148238039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 1148238039 is about 33885.6612595947. The cubic root of 1148238039 is about 1047.1542106479.

The spelling of 1148238039 in words is "one billion, one hundred forty-eight million, two hundred thirty-eight thousand, thirty-nine".