1148589938 has 16 divisors (see below), whose sum is σ = 1920244320. Its totient is φ = 512064576.

The previous prime is 1148589931. The next prime is 1148589947. The reversal of 1148589938 is 8399858411.

It is not an unprimeable number, because it can be changed into a prime (1148589931) 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, 888356 + ... + 889647.

It is an arithmetic number, because the mean of its divisors is an integer number (120015270).

Almost surely, 2^1148589938 is an apocalyptic number.

1148589938 is a deficient number, since it is larger than the sum of its proper divisors (771654382).

1148589938 is a wasteful number, since it uses less digits than its factorization.

1148589938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778041.

The product of its digits is 2488320, while the sum is 56.

The square root of 1148589938 is about 33890.8533088207. The cubic root of 1148589938 is about 1047.2611730459.

The spelling of 1148589938 in words is "one billion, one hundred forty-eight million, five hundred eighty-nine thousand, nine hundred thirty-eight".