1135431648 has 96 divisors (see below), whose sum is σ = 3566455200. Its totient is φ = 349360128.

The previous prime is 1135431631. The next prime is 1135431653. The reversal of 1135431648 is 8461345311.

1135431648 is a `hidden beast` number, since 1 + 1 + 3 + 5 + 4 + 3 + 1 + 648 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39313 + ... + 61776.

It is an arithmetic number, because the mean of its divisors is an integer number (37150575).

Almost surely, 2^1135431648 is an apocalyptic number.

1135431648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1135431648 is an abundant number, since it is smaller than the sum of its proper divisors (2431023552).

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

1135431648 is a wasteful number, since it uses less digits than its factorization.

1135431648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101121 (or 101107 counting only the distinct ones).

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

The square root of 1135431648 is about 33696.1666662545. The cubic root of 1135431648 is about 1043.2466490080.

Adding to 1135431648 its reverse (8461345311), we get a palindrome (9596776959).

The spelling of 1135431648 in words is "one billion, one hundred thirty-five million, four hundred thirty-one thousand, six hundred forty-eight".