1134201985 has 16 divisors (see below), whose sum is σ = 1561996800. Its totient is φ = 774478656.

The previous prime is 1134201953. The next prime is 1134202001. The reversal of 1134201985 is 5891024311.

It is not a de Polignac number, because 1134201985 - 2⁵ = 1134201953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1134201985.

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, 59430 + ... + 76159.

It is an arithmetic number, because the mean of its divisors is an integer number (97624800).

Almost surely, 2^1134201985 is an apocalyptic number.

It is an amenable number.

1134201985 is a deficient number, since it is larger than the sum of its proper divisors (427794815).

1134201985 is a wasteful number, since it uses less digits than its factorization.

1134201985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135840.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 1134201985 is about 33677.9153897625. The cubic root of 1134201985 is about 1042.8699038328.

The spelling of 1134201985 in words is "one billion, one hundred thirty-four million, two hundred one thousand, nine hundred eighty-five".