1327145278 has 8 divisors (see below), whose sum is σ = 2054934720. Its totient is φ = 642167040.

The previous prime is 1327145263. The next prime is 1327145279. The reversal of 1327145278 is 8725417231.

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

It is a super-2 number, since 2×1327145278² = 3522629177835394568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1327145278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327145279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10702723 + ... + 10702846.

It is an arithmetic number, because the mean of its divisors is an integer number (256866840).

Almost surely, 2^1327145278 is an apocalyptic number.

1327145278 is a deficient number, since it is larger than the sum of its proper divisors (727789442).

1327145278 is a wasteful number, since it uses less digits than its factorization.

1327145278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21405602.

The product of its digits is 94080, while the sum is 40.

The square root of 1327145278 is about 36430.0051880315. The cubic root of 1327145278 is about 1098.9370663274.

The spelling of 1327145278 in words is "one billion, three hundred twenty-seven million, one hundred forty-five thousand, two hundred seventy-eight".