1382745751 has 4 divisors (see below), whose sum is σ = 1383620832. Its totient is φ = 1381870672.

The previous prime is 1382745737. The next prime is 1382745761. The reversal of 1382745751 is 1575472831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1575472831 = 22669 ⋅69499.

It is a cyclic number.

It is not a de Polignac number, because 1382745751 - 2⁵ = 1382745719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1382745698 and 1382745707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382745761) 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, 435166 + ... + 438331.

It is an arithmetic number, because the mean of its divisors is an integer number (345905208).

Almost surely, 2^1382745751 is an apocalyptic number.

1382745751 is a deficient number, since it is larger than the sum of its proper divisors (875081).

1382745751 is an equidigital number, since it uses as much as digits as its factorization.

1382745751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875080.

The product of its digits is 235200, while the sum is 43.

The square root of 1382745751 is about 37185.2894435421. The cubic root of 1382745751 is about 1114.0741846623.

The spelling of 1382745751 in words is "one billion, three hundred eighty-two million, seven hundred forty-five thousand, seven hundred fifty-one".