1397569034 has 4 divisors (see below), whose sum is σ = 2096353554. Its totient is φ = 698784516.

The previous prime is 1397569027. The next prime is 1397569037. The reversal of 1397569034 is 4309657931.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1302993409 + 94575625 = 36097^2 + 9725^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1397569034.

It is not an unprimeable number, because it can be changed into a prime (1397569037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349392257 + ... + 349392260.

Almost surely, 2^1397569034 is an apocalyptic number.

1397569034 is a deficient number, since it is larger than the sum of its proper divisors (698784520).

1397569034 is an equidigital number, since it uses as much as digits as its factorization.

1397569034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698784519.

The product of its (nonzero) digits is 612360, while the sum is 47.

The square root of 1397569034 is about 37384.0746040343. The cubic root of 1397569034 is about 1118.0410681884.

The spelling of 1397569034 in words is "one billion, three hundred ninety-seven million, five hundred sixty-nine thousand, thirty-four".