1327156963 has 4 divisors (see below), whose sum is σ = 1447807608. Its totient is φ = 1206506320.

The previous prime is 1327156951. The next prime is 1327156991. The reversal of 1327156963 is 3696517231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1327156963 is a prime.

It is a super-2 number, since 2×1327156963² = 3522691208878766738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1327156933) 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, 60325306 + ... + 60325327.

It is an arithmetic number, because the mean of its divisors is an integer number (361951902).

Almost surely, 2^1327156963 is an apocalyptic number.

1327156963 is a deficient number, since it is larger than the sum of its proper divisors (120650645).

1327156963 is a wasteful number, since it uses less digits than its factorization.

1327156963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120650644.

The product of its digits is 204120, while the sum is 43.

The square root of 1327156963 is about 36430.1655637193. The cubic root of 1327156963 is about 1098.9402915563.

The spelling of 1327156963 in words is "one billion, three hundred twenty-seven million, one hundred fifty-six thousand, nine hundred sixty-three".