782382137 has 4 divisors (see below), whose sum is σ = 782852580. Its totient is φ = 781911696.

The previous prime is 782382121. The next prime is 782382169. The reversal of 782382137 is 731283287.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 731283287 = 7 ⋅104469041.

It can be written as a sum of positive squares in 2 ways, for example, as 270898681 + 511483456 = 16459^2 + 22616^2 .

It is a cyclic number.

It is not a de Polignac number, because 782382137 - 2⁴ = 782382121 is a prime.

It is a super-2 number, since 2×782382137² = 1224243616593373538, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 782382094 and 782382103.

It is not an unprimeable number, because it can be changed into a prime (782382187) 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, 232718 + ... + 236055.

It is an arithmetic number, because the mean of its divisors is an integer number (195713145).

Almost surely, 2^782382137 is an apocalyptic number.

It is an amenable number.

782382137 is a deficient number, since it is larger than the sum of its proper divisors (470443).

782382137 is a wasteful number, since it uses less digits than its factorization.

782382137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470442.

The product of its digits is 112896, while the sum is 41.

The square root of 782382137 is about 27971.0946693189. The cubic root of 782382137 is about 921.4525482911.

The spelling of 782382137 in words is "seven hundred eighty-two million, three hundred eighty-two thousand, one hundred thirty-seven".