1338151236 has 12 divisors (see below), whose sum is σ = 3122352912. Its totient is φ = 446050408.

The previous prime is 1338151231. The next prime is 1338151249. The reversal of 1338151236 is 6321518331.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1338151197 and 1338151206.

It is not an unprimeable number, because it can be changed into a prime (1338151231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55756290 + ... + 55756313.

It is an arithmetic number, because the mean of its divisors is an integer number (260196076).

Almost surely, 2^1338151236 is an apocalyptic number.

It is an amenable number.

1338151236 is an abundant number, since it is smaller than the sum of its proper divisors (1784201676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1338151236 is a wasteful number, since it uses less digits than its factorization.

1338151236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111512610 (or 111512608 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 1338151236 is about 36580.7495275862. The cubic root of 1338151236 is about 1101.9665197343.

Adding to 1338151236 its reverse (6321518331), we get a palindrome (7659669567).

The spelling of 1338151236 in words is "one billion, three hundred thirty-eight million, one hundred fifty-one thousand, two hundred thirty-six".