1304402142 has 8 divisors (see below), whose sum is σ = 2608804296. Its totient is φ = 434800712.

The previous prime is 1304402123. The next prime is 1304402161. The reversal of 1304402142 is 2412044031.

It is an interprime number because it is at equal distance from previous prime (1304402123) and next prime (1304402161).

It is a sphenic number, since it is the product of 3 distinct primes.

1304402142 is an admirable number.

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, 108700173 + ... + 108700184.

It is an arithmetic number, because the mean of its divisors is an integer number (326100537).

Almost surely, 2^1304402142 is an apocalyptic number.

1304402142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1304402142 is a wasteful number, since it uses less digits than its factorization.

1304402142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217400362.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1304402142 is about 36116.5078876682. The cubic root of 1304402142 is about 1092.6234096164.

Adding to 1304402142 its reverse (2412044031), we get a palindrome (3716446173).

The spelling of 1304402142 in words is "one billion, three hundred four million, four hundred two thousand, one hundred forty-two".