1056146919 has 8 divisors (see below), whose sum is σ = 1408419840. Its totient is φ = 703985976.

The previous prime is 1056146899. The next prime is 1056146989. The reversal of 1056146919 is 9196416501.

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

It is not a de Polignac number, because 1056146919 - 2¹⁵ = 1056114151 is a prime.

It is a super-2 number, since 2×1056146919² = 2230892629026385122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056146989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2727 + ... + 46040.

It is an arithmetic number, because the mean of its divisors is an integer number (176052480).

Almost surely, 2^1056146919 is an apocalyptic number.

1056146919 is a deficient number, since it is larger than the sum of its proper divisors (352272921).

1056146919 is an equidigital number, since it uses as much as digits as its factorization.

1056146919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55989.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 1056146919 is about 32498.4140997680. The cubic root of 1056146919 is about 1018.3758976985.

The spelling of 1056146919 in words is "one billion, fifty-six million, one hundred forty-six thousand, nine hundred nineteen".