1141406864 has 40 divisors (see below), whose sum is σ = 2383623480. Its totient is φ = 526353408.

The previous prime is 1141406767. The next prime is 1141406873. The reversal of 1141406864 is 4686041411.

It can be written as a sum of positive squares in 4 ways, for example, as 1669264 + 1139737600 = 1292^2 + 33760^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476582 + ... + 478970.

It is an arithmetic number, because the mean of its divisors is an integer number (59590587).

Almost surely, 2^1141406864 is an apocalyptic number.

It is an amenable number.

1141406864 is an abundant number, since it is smaller than the sum of its proper divisors (1242216616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1141406864 is a wasteful number, since it uses less digits than its factorization.

1141406864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4707 (or 4701 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 1141406864 is about 33784.7134663001. The cubic root of 1141406864 is about 1045.0734788042.

The spelling of 1141406864 in words is "one billion, one hundred forty-one million, four hundred six thousand, eight hundred sixty-four".