1304250001388 has 24 divisors (see below), whose sum is σ = 2294744516064. Its totient is φ = 648617811200.

The previous prime is 1304250001367. The next prime is 1304250001409. The reversal of 1304250001388 is 8831000524031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1304250001367) and next prime (1304250001409).

It is a super-2 number, since 2×1304250001388² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563645 + ... + 1710612.

It is an arithmetic number, because the mean of its divisors is an integer number (95614354836).

Almost surely, 2^{1304250001388} is an apocalyptic number.

It is an amenable number.

1304250001388 is a deficient number, since it is larger than the sum of its proper divisors (990494514676).

1304250001388 is a wasteful number, since it uses less digits than its factorization.

1304250001388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275033 (or 2275031 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 1304250001388 in words is "one trillion, three hundred four billion, two hundred fifty million, one thousand, three hundred eighty-eight".