1148562036 has 18 divisors (see below), whose sum is σ = 2903309682. Its totient is φ = 382854000.

The previous prime is 1148562031. The next prime is 1148562047. The reversal of 1148562036 is 6302658411.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 838449936 + 310112100 = 28956^2 + 17610^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 31904501 = 1148562036 / (1 + 1 + 4 + 8 + 5 + 6 + 2 + 0 + 3 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148562031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15952215 + ... + 15952286.

Almost surely, 2^1148562036 is an apocalyptic number.

It is an amenable number.

1148562036 is an abundant number, since it is smaller than the sum of its proper divisors (1754747646).

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

1148562036 is a wasteful number, since it uses less digits than its factorization.

1148562036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31904511 (or 31904506 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1148562036 is about 33890.4416613298. The cubic root of 1148562036 is about 1047.2526928166.

The spelling of 1148562036 in words is "one billion, one hundred forty-eight million, five hundred sixty-two thousand, thirty-six".