1220314136 has 32 divisors (see below), whose sum is σ = 2331426240. Its totient is φ = 598687488.

The previous prime is 1220314097. The next prime is 1220314153. The reversal of 1220314136 is 6314130221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109745 + ... + 120351.

It is an arithmetic number, because the mean of its divisors is an integer number (72857070).

Almost surely, 2^1220314136 is an apocalyptic number.

It is an amenable number.

1220314136 is a deficient number, since it is larger than the sum of its proper divisors (1111112104).

1220314136 is a wasteful number, since it uses less digits than its factorization.

1220314136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10883 (or 10879 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1220314136 is about 34932.9949474705. The cubic root of 1220314136 is about 1068.6214336597.

Adding to 1220314136 its reverse (6314130221), we get a palindrome (7534444357).

The spelling of 1220314136 in words is "one billion, two hundred twenty million, three hundred fourteen thousand, one hundred thirty-six".