1330401236 has 24 divisors (see below), whose sum is σ = 2430718080. Its totient is φ = 635941152.

The previous prime is 1330401229. The next prime is 1330401263. The reversal of 1330401236 is 6321040331.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

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, 303170 + ... + 307526.

It is an arithmetic number, because the mean of its divisors is an integer number (101279920).

Almost surely, 2^1330401236 is an apocalyptic number.

It is an amenable number.

1330401236 is a deficient number, since it is larger than the sum of its proper divisors (1100316844).

1330401236 is a wasteful number, since it uses less digits than its factorization.

1330401236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7703 (or 7701 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1330401236 is about 36474.6656735877. The cubic root of 1330401236 is about 1099.8350264989.

Adding to 1330401236 its reverse (6321040331), we get a palindrome (7651441567).

The spelling of 1330401236 in words is "one billion, three hundred thirty million, four hundred one thousand, two hundred thirty-six".