1397569060 has 12 divisors (see below), whose sum is σ = 2934895068. Its totient is φ = 559027616.

The previous prime is 1397569057. The next prime is 1397569067. The reversal of 1397569060 is 609657931.

It can be written as a sum of positive squares in 2 ways, for example, as 344696356 + 1052872704 = 18566^2 + 32448^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1397569060.

It is not an unprimeable number, because it can be changed into a prime (1397569067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34939207 + ... + 34939246.

It is an arithmetic number, because the mean of its divisors is an integer number (244574589).

Almost surely, 2^1397569060 is an apocalyptic number.

1397569060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1397569060 is an abundant number, since it is smaller than the sum of its proper divisors (1537326008).

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

1397569060 is a wasteful number, since it uses less digits than its factorization.

1397569060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69878462 (or 69878460 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 1397569060 is about 37384.0749517759. The cubic root of 1397569060 is about 1118.0410751217.

The spelling of 1397569060 in words is "one billion, three hundred ninety-seven million, five hundred sixty-nine thousand, sixty".