1304249534 has 16 divisors (see below), whose sum is σ = 2236416000. Its totient is φ = 558824184.

The previous prime is 1304249501. The next prime is 1304249539. The reversal of 1304249534 is 4359424031.

It is a junction number, because it is equal to n+sod(n) for n = 1304249494 and 1304249503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304249539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62567 + ... + 80765.

It is an arithmetic number, because the mean of its divisors is an integer number (139776000).

Almost surely, 2^1304249534 is an apocalyptic number.

1304249534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1304249534 is a deficient number, since it is larger than the sum of its proper divisors (932166466).

1304249534 is a wasteful number, since it uses less digits than its factorization.

1304249534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23327.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 1304249534 is about 36114.3951077683. The cubic root of 1304249534 is about 1092.5807976103.

The spelling of 1304249534 in words is "one billion, three hundred four million, two hundred forty-nine thousand, five hundred thirty-four".