320006140757 has 4 divisors (see below), whose sum is σ = 320008641696. Its totient is φ = 320003639820.

The previous prime is 320006140711. The next prime is 320006140801. The reversal of 320006140757 is 757041600023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 757041600023 = 11059 ⋅68454797.

It is a cyclic number.

It is not a de Polignac number, because 320006140757 - 2⁸ = 320006140501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320006110757) 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, 1047563 + ... + 1318104.

It is an arithmetic number, because the mean of its divisors is an integer number (80002160424).

Almost surely, 2^320006140757 is an apocalyptic number.

It is an amenable number.

320006140757 is a deficient number, since it is larger than the sum of its proper divisors (2500939).

320006140757 is a wasteful number, since it uses less digits than its factorization.

320006140757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500938.

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 320006140757 in words is "three hundred twenty billion, six million, one hundred forty thousand, seven hundred fifty-seven".