1154536340 has 12 divisors (see below), whose sum is σ = 2424526356. Its totient is φ = 461814528.

The previous prime is 1154536333. The next prime is 1154536399. The reversal of 1154536340 is 436354511.

It can be written as a sum of positive squares in 2 ways, for example, as 260047876 + 894488464 = 16126^2 + 29908^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1154536297 and 1154536306.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 28863389 + ... + 28863428.

It is an arithmetic number, because the mean of its divisors is an integer number (202043863).

Almost surely, 2^1154536340 is an apocalyptic number.

1154536340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1154536340 is an abundant number, since it is smaller than the sum of its proper divisors (1269990016).

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

1154536340 is a wasteful number, since it uses less digits than its factorization.

1154536340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57726826 (or 57726824 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1154536340 is about 33978.4687706789. The cubic root of 1154536340 is about 1049.0653330216.

The spelling of 1154536340 in words is "one billion, one hundred fifty-four million, five hundred thirty-six thousand, three hundred forty".