1382357073 has 4 divisors (see below), whose sum is σ = 1843142768. Its totient is φ = 921571380.

The previous prime is 1382357069. The next prime is 1382357083. The reversal of 1382357073 is 3707532831.

It is a happy number.

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: 3707532831 = 3 ⋅1235844277.

It is not a de Polignac number, because 1382357073 - 2² = 1382357069 is a prime.

It is a super-2 number, since 2×1382357073² = 3821822154546254658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1382357083) 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, 230392843 + ... + 230392848.

It is an arithmetic number, because the mean of its divisors is an integer number (460785692).

Almost surely, 2^1382357073 is an apocalyptic number.

It is an amenable number.

1382357073 is a deficient number, since it is larger than the sum of its proper divisors (460785695).

1382357073 is an equidigital number, since it uses as much as digits as its factorization.

1382357073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460785694.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 1382357073 is about 37180.0628428732. The cubic root of 1382357073 is about 1113.9697893063.

The spelling of 1382357073 in words is "one billion, three hundred eighty-two million, three hundred fifty-seven thousand, seventy-three".