1136263540 has 24 divisors (see below), whose sum is σ = 2436924672. Its totient is φ = 444834720.

The previous prime is 1136263511. The next prime is 1136263577. The reversal of 1136263540 is 453626311.

It is a super-3 number, since 3×1136263540³ (a number of 28 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 603456 + ... + 605335.

It is an arithmetic number, because the mean of its divisors is an integer number (101538528).

Almost surely, 2^1136263540 is an apocalyptic number.

1136263540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1136263540 is an abundant number, since it is smaller than the sum of its proper divisors (1300661132).

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

1136263540 is a wasteful number, since it uses less digits than its factorization.

1136263540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208847 (or 1208845 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1136263540 is about 33708.5084214653. The cubic root of 1136263540 is about 1043.5013705424.

Adding to 1136263540 its reverse (453626311), we get a palindrome (1589889851).

The spelling of 1136263540 in words is "one billion, one hundred thirty-six million, two hundred sixty-three thousand, five hundred forty".