1321964134 has 8 divisors (see below), whose sum is σ = 1983117240. Its totient is φ = 660925056.

The previous prime is 1321964131. The next prime is 1321964167. The reversal of 1321964134 is 4314691231.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1321964134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321964131) 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, 11977 + ... + 52795.

It is an arithmetic number, because the mean of its divisors is an integer number (247889655).

Almost surely, 2^1321964134 is an apocalyptic number.

1321964134 is a deficient number, since it is larger than the sum of its proper divisors (661153106).

1321964134 is a wasteful number, since it uses less digits than its factorization.

1321964134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57014.

The product of its digits is 15552, while the sum is 34.

The square root of 1321964134 is about 36358.8247059775. The cubic root of 1321964134 is about 1097.5051264542.

The spelling of 1321964134 in words is "one billion, three hundred twenty-one million, nine hundred sixty-four thousand, one hundred thirty-four".