1613133986 has 32 divisors (see below), whose sum is σ = 2496873600. Its totient is φ = 781338880.

The previous prime is 1613133983. The next prime is 1613133997. The reversal of 1613133986 is 6893313161.

It is not an unprimeable number, because it can be changed into a prime (1613133983) 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, 4146680 + ... + 4147068.

It is an arithmetic number, because the mean of its divisors is an integer number (78027300).

Almost surely, 2^1613133986 is an apocalyptic number.

1613133986 is a deficient number, since it is larger than the sum of its proper divisors (883739614).

1613133986 is a wasteful number, since it uses less digits than its factorization.

1613133986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874.

The product of its digits is 69984, while the sum is 41.

The square root of 1613133986 is about 40163.8392836143. The cubic root of 1613133986 is about 1172.7987121015.

The spelling of 1613133986 in words is "one billion, six hundred thirteen million, one hundred thirty-three thousand, nine hundred eighty-six".