1982136935 has 4 divisors (see below), whose sum is σ = 2378564328. Its totient is φ = 1585709544.

The previous prime is 1982136929. The next prime is 1982136971. The reversal of 1982136935 is 5396312891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5396312891 = 4027 ⋅1340033.

It is a cyclic number.

It is not a de Polignac number, because 1982136935 - 2¹⁴ = 1982120551 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1982136935.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198213689 + ... + 198213698.

It is an arithmetic number, because the mean of its divisors is an integer number (594641082).

Almost surely, 2^1982136935 is an apocalyptic number.

1982136935 is a deficient number, since it is larger than the sum of its proper divisors (396427393).

1982136935 is an equidigital number, since it uses as much as digits as its factorization.

1982136935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396427392.

The product of its digits is 349920, while the sum is 47.

The square root of 1982136935 is about 44521.1964686485. The cubic root of 1982136935 is about 1256.1588181305.

The spelling of 1982136935 in words is "one billion, nine hundred eighty-two million, one hundred thirty-six thousand, nine hundred thirty-five".