1135980438 has 32 divisors (see below), whose sum is σ = 2338679904. Its totient is φ = 367587072.

The previous prime is 1135980427. The next prime is 1135980463. The reversal of 1135980438 is 8340895311.

It is a self number, because there is not a number n which added to its sum of digits gives 1135980438.

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, 95856 + ... + 107052.

It is an arithmetic number, because the mean of its divisors is an integer number (73083747).

Almost surely, 2^1135980438 is an apocalyptic number.

1135980438 is an abundant number, since it is smaller than the sum of its proper divisors (1202699466).

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

1135980438 is a wasteful number, since it uses less digits than its factorization.

1135980438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11696.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 1135980438 is about 33704.3088936711. The cubic root of 1135980438 is about 1043.4146999616.

The spelling of 1135980438 in words is "one billion, one hundred thirty-five million, nine hundred eighty thousand, four hundred thirty-eight".