1140670646 has 4 divisors (see below), whose sum is σ = 1711005972. Its totient is φ = 570335322.

The previous prime is 1140670639. The next prime is 1140670673. The reversal of 1140670646 is 6460760411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6460760411 = 7 ⋅922965773.

It is a super-2 number, since 2×1140670646² = 2602259045292114632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285167660 + ... + 285167663.

It is an arithmetic number, because the mean of its divisors is an integer number (427751493).

Almost surely, 2^1140670646 is an apocalyptic number.

1140670646 is a deficient number, since it is larger than the sum of its proper divisors (570335326).

1140670646 is an equidigital number, since it uses as much as digits as its factorization.

1140670646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570335325.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 1140670646 is about 33773.8159822073. The cubic root of 1140670646 is about 1044.8487364522.

The spelling of 1140670646 in words is "one billion, one hundred forty million, six hundred seventy thousand, six hundred forty-six".