1455220136 has 32 divisors (see below), whose sum is σ = 2753184000. Its totient is φ = 721068480.

The previous prime is 1455220103. The next prime is 1455220139. The reversal of 1455220136 is 6310225541.

It is a junction number, because it is equal to n+sod(n) for n = 1455220099 and 1455220108.

It is not an unprimeable number, because it can be changed into a prime (1455220139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429746 + ... + 433118.

It is an arithmetic number, because the mean of its divisors is an integer number (86037000).

Almost surely, 2^1455220136 is an apocalyptic number.

It is an amenable number.

1455220136 is a deficient number, since it is larger than the sum of its proper divisors (1297963864).

1455220136 is a wasteful number, since it uses less digits than its factorization.

1455220136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849 (or 3845 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1455220136 is about 38147.3476928606. The cubic root of 1455220136 is about 1133.2078260862.

Adding to 1455220136 its reverse (6310225541), we get a palindrome (7765445677).

The spelling of 1455220136 in words is "one billion, four hundred fifty-five million, two hundred twenty thousand, one hundred thirty-six".