1553136338 has 32 divisors (see below), whose sum is σ = 2593334016. Its totient is φ = 693082368.

The previous prime is 1553136331. The next prime is 1553136359. The reversal of 1553136338 is 8336313551.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1553136331) 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 15 ways as a sum of consecutive naturals, for example, 93770 + ... + 109082.

It is an arithmetic number, because the mean of its divisors is an integer number (81041688).

Almost surely, 2^1553136338 is an apocalyptic number.

1553136338 is a deficient number, since it is larger than the sum of its proper divisors (1040197678).

1553136338 is a wasteful number, since it uses less digits than its factorization.

1553136338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15458.

The product of its digits is 97200, while the sum is 38.

The square root of 1553136338 is about 39409.8507736327. The cubic root of 1553136338 is about 1158.0745748778.

Adding to 1553136338 its reverse (8336313551), we get a palindrome (9889449889).

The spelling of 1553136338 in words is "one billion, five hundred fifty-three million, one hundred thirty-six thousand, three hundred thirty-eight".