1056440135 has 8 divisors (see below), whose sum is σ = 1289215440. Its totient is φ = 830827264.

The previous prime is 1056440123. The next prime is 1056440141. The reversal of 1056440135 is 5310446501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1056440135 - 2¹² = 1056436039 is a prime.

It is a super-2 number, since 2×1056440135² = 2232131517677636450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1056440098 and 1056440107.

It is a congruent number.

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, 1790282 + ... + 1790871.

It is an arithmetic number, because the mean of its divisors is an integer number (161151930).

Almost surely, 2^1056440135 is an apocalyptic number.

1056440135 is a deficient number, since it is larger than the sum of its proper divisors (232775305).

1056440135 is an equidigital number, since it uses as much as digits as its factorization.

1056440135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3581217.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1056440135 is about 32502.9250222192. The cubic root of 1056440135 is about 1018.4701322134.

Adding to 1056440135 its reverse (5310446501), we get a palindrome (6366886636).

The spelling of 1056440135 in words is "one billion, fifty-six million, four hundred forty thousand, one hundred thirty-five".