1135418921 has 16 divisors (see below), whose sum is σ = 1398574464. Its totient is φ = 897623424.

The previous prime is 1135418857. The next prime is 1135418939. The reversal of 1135418921 is 1298145311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1135418921 - 2⁶ = 1135418857 is a prime.

It is a super-2 number, since 2×1135418921² = 2578352252329608482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1135418971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126050 + ... + 134756.

It is an arithmetic number, because the mean of its divisors is an integer number (87410904).

Almost surely, 2^1135418921 is an apocalyptic number.

It is an amenable number.

1135418921 is a deficient number, since it is larger than the sum of its proper divisors (263155543).

1135418921 is a wasteful number, since it uses less digits than its factorization.

1135418921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10160.

The product of its digits is 8640, while the sum is 35.

The square root of 1135418921 is about 33695.9778163507. The cubic root of 1135418921 is about 1043.2427510925.

The spelling of 1135418921 in words is "one billion, one hundred thirty-five million, four hundred eighteen thousand, nine hundred twenty-one".