1371245564 has 24 divisors (see below), whose sum is σ = 2602876080. Its totient is φ = 628326144.

The previous prime is 1371245563. The next prime is 1371245587. The reversal of 1371245564 is 4655421731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371245563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87629 + ... + 102084.

It is an arithmetic number, because the mean of its divisors is an integer number (108453170).

Almost surely, 2^1371245564 is an apocalyptic number.

It is an amenable number.

1371245564 is a deficient number, since it is larger than the sum of its proper divisors (1231630516).

1371245564 is a wasteful number, since it uses less digits than its factorization.

1371245564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189869 (or 189867 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 1371245564 is about 37030.3330257777. Note that the first 3 decimals coincide. The cubic root of 1371245564 is about 1110.9770268407.

The spelling of 1371245564 in words is "one billion, three hundred seventy-one million, two hundred forty-five thousand, five hundred sixty-four".