1245664134284 has 6 divisors (see below), whose sum is σ = 2179912235004. Its totient is φ = 622832067140.

The previous prime is 1245664134283. The next prime is 1245664134287. The reversal of 1245664134284 is 4824314665421.

It is not an unprimeable number, because it can be changed into a prime (1245664134283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155708016782 + ... + 155708016789.

It is an arithmetic number, because the mean of its divisors is an integer number (363318705834).

Almost surely, 2^{1245664134284} is an apocalyptic number.

It is an amenable number.

1245664134284 is a deficient number, since it is larger than the sum of its proper divisors (934248100720).

1245664134284 is a wasteful number, since it uses less digits than its factorization.

1245664134284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311416033575 (or 311416033573 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 50.

The spelling of 1245664134284 in words is "one trillion, two hundred forty-five billion, six hundred sixty-four million, one hundred thirty-four thousand, two hundred eighty-four".