1141966839 has 16 divisors (see below), whose sum is σ = 1642911872. Its totient is φ = 701392608.

The previous prime is 1141966831. The next prime is 1141966841. The reversal of 1141966839 is 9386691411.

It is a happy number.

It is not a de Polignac number, because 1141966839 - 2³ = 1141966831 is a prime.

It is a super-2 number, since 2×1141966839² = 2608176522751303842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141966831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7597 + ... + 48390.

It is an arithmetic number, because the mean of its divisors is an integer number (102681992).

Almost surely, 2^1141966839 is an apocalyptic number.

1141966839 is a deficient number, since it is larger than the sum of its proper divisors (500945033).

1141966839 is a wasteful number, since it uses less digits than its factorization.

1141966839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56526.

The product of its digits is 279936, while the sum is 48.

The square root of 1141966839 is about 33792.9998520404. Note that the first 3 decimals coincide. The cubic root of 1141966839 is about 1045.2443554546.

The spelling of 1141966839 in words is "one billion, one hundred forty-one million, nine hundred sixty-six thousand, eight hundred thirty-nine".