1148279436 has 48 divisors (see below), whose sum is σ = 3012912000. Its totient is φ = 378145296.

The previous prime is 1148279411. The next prime is 1148279437. The reversal of 1148279436 is 6349728411.

1148279436 is a `hidden beast` number, since 1 + 148 + 2 + 79 + 436 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1148279391 and 1148279400.

It is not an unprimeable number, because it can be changed into a prime (1148279437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55086 + ... + 73013.

It is an arithmetic number, because the mean of its divisors is an integer number (62769000).

Almost surely, 2^1148279436 is an apocalyptic number.

It is an amenable number.

1148279436 is an abundant number, since it is smaller than the sum of its proper divisors (1864632564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1148279436 is a wasteful number, since it uses less digits than its factorization.

1148279436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128195 (or 128187 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 1148279436 is about 33886.2720876759. The cubic root of 1148279436 is about 1047.1667947174.

The spelling of 1148279436 in words is "one billion, one hundred forty-eight million, two hundred seventy-nine thousand, four hundred thirty-six".