1142774635 has 4 divisors (see below), whose sum is σ = 1371329568. Its totient is φ = 914219704.

The previous prime is 1142774621. The next prime is 1142774641. The reversal of 1142774635 is 5364772411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5364772411 = 823 ⋅6518557.

It is a cyclic number.

It is not a de Polignac number, because 1142774635 - 2⁵ = 1142774603 is a prime.

It is a Duffinian 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, 114277459 + ... + 114277468.

It is an arithmetic number, because the mean of its divisors is an integer number (342832392).

Almost surely, 2^1142774635 is an apocalyptic number.

1142774635 is a deficient number, since it is larger than the sum of its proper divisors (228554933).

1142774635 is an equidigital number, since it uses as much as digits as its factorization.

1142774635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228554932.

The product of its digits is 141120, while the sum is 40.

The square root of 1142774635 is about 33804.9498594511. The cubic root of 1142774635 is about 1045.4907564212.

The spelling of 1142774635 in words is "one billion, one hundred forty-two million, seven hundred seventy-four thousand, six hundred thirty-five".