1141358656 has 63 divisors (see below), whose sum is σ = 2344229373. Its totient is φ = 551354880.

The previous prime is 1141358653. The next prime is 1141358719. The reversal of 1141358656 is 6568531411.

The square root of 1141358656 is 33784.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 54997056 + 1086361600 = 7416^2 + 32960^2 .

It is a super-2 number, since 2×1141358656² = 2605399163252252672, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (86400) is a multiple of the sum of its prime factors (300).

It is not an unprimeable number, because it can be changed into a prime (1141358653) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11081101 + ... + 11081203.

Almost surely, 2^1141358656 is an apocalyptic number.

1141358656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1141358656 is the 33784-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1141358656

1141358656 is an abundant number, since it is smaller than the sum of its proper divisors (1202870717).

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

1141358656 is an frugal number, since it uses more digits than its factorization.

1141358656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 146 counting only the distinct ones).

The product of its digits is 86400, while the sum is 40.

The cubic root of 1141358656 is about 1045.0587654963.

The spelling of 1141358656 in words is "one billion, one hundred forty-one million, three hundred fifty-eight thousand, six hundred fifty-six".