1304402031135 has 72 divisors (see below), whose sum is σ = 2686060218816. Its totient is φ = 583610832000.

The previous prime is 1304402031019. The next prime is 1304402031169. The reversal of 1304402031135 is 5311302044031.

It is a happy number.

1304402031135 is a `hidden beast` number, since 1 + 3 + 0 + 440 + 203 + 1 + 13 + 5 = 666.

It is not a de Polignac number, because 1304402031135 - 2²⁰ = 1304400982559 is a prime.

It is a super-2 number, since 2×1304402031135² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1304402031099 and 1304402031108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6189616 + ... + 6396885.

It is an arithmetic number, because the mean of its divisors is an integer number (37306391928).

Almost surely, 2^{1304402031135} is an apocalyptic number.

1304402031135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1304402031135 is an abundant number, since it is smaller than the sum of its proper divisors (1381658187681).

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

1304402031135 is a wasteful number, since it uses less digits than its factorization.

1304402031135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12586573 (or 12586563 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 1304402031135 its reverse (5311302044031), we get a palindrome (6615704075166).

The spelling of 1304402031135 in words is "one trillion, three hundred four billion, four hundred two million, thirty-one thousand, one hundred thirty-five".