1304148769 has 45 divisors (see below), whose sum is σ = 1697632881. Its totient is φ = 1001052360.

The previous prime is 1304148767. The next prime is 1304148877. The reversal of 1304148769 is 9678414031.

The square root of 1304148769 is 36113.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1304148769 - 2¹ = 1304148767 is a prime.

It is a super-2 number, since 2×1304148769² = 3401608023368430722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1304148767) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 19464874 + ... + 19464940.

Almost surely, 2^1304148769 is an apocalyptic number.

1304148769 is the 36113-rd square number.

1304148769 is the 18057-th centered octagonal number.

It is an amenable number.

1304148769 is a deficient number, since it is larger than the sum of its proper divisors (393484112).

1304148769 is an frugal number, since it uses more digits than its factorization.

1304148769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The cubic root of 1304148769 is about 1092.5526596564.

The spelling of 1304148769 in words is "one billion, three hundred four million, one hundred forty-eight thousand, seven hundred sixty-nine".