1304562940 has 12 divisors (see below), whose sum is σ = 2739582216. Its totient is φ = 521825168.

The previous prime is 1304562907. The next prime is 1304562953. The reversal of 1304562940 is 492654031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1304562896 and 1304562905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32614054 + ... + 32614093.

It is an arithmetic number, because the mean of its divisors is an integer number (228298518).

Almost surely, 2^1304562940 is an apocalyptic number.

1304562940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304562940 is an abundant number, since it is smaller than the sum of its proper divisors (1435019276).

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

1304562940 is a wasteful number, since it uses less digits than its factorization.

1304562940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65228156 (or 65228154 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1304562940 is about 36118.7339202248. The cubic root of 1304562940 is about 1092.6683048816.

The spelling of 1304562940 in words is "one billion, three hundred four million, five hundred sixty-two thousand, nine hundred forty".