1306402424 has 8 divisors (see below), whose sum is σ = 2449504560. Its totient is φ = 653201208.

The previous prime is 1306402351. The next prime is 1306402453. The reversal of 1306402424 is 4242046031.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1306402393 and 1306402402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81650144 + ... + 81650159.

It is an arithmetic number, because the mean of its divisors is an integer number (306188070).

Almost surely, 2^1306402424 is an apocalyptic number.

It is an amenable number.

1306402424 is a deficient number, since it is larger than the sum of its proper divisors (1143102136).

1306402424 is a wasteful number, since it uses less digits than its factorization.

1306402424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163300309 (or 163300305 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1306402424 is about 36144.1893532003. The cubic root of 1306402424 is about 1093.1816318208.

Adding to 1306402424 its reverse (4242046031), we get a palindrome (5548448455).

The spelling of 1306402424 in words is "one billion, three hundred six million, four hundred two thousand, four hundred twenty-four".