1327156173 has 12 divisors (see below), whose sum is σ = 2190861088. Its totient is φ = 758374920.

The previous prime is 1327156169. The next prime is 1327156217. The reversal of 1327156173 is 3716517231.

1327156173 is a `hidden beast` number, since 1 + 3 + 27 + 1 + 561 + 73 = 666.

It is not a de Polignac number, because 1327156173 - 2² = 1327156169 is a prime.

It is a super-2 number, since 2×1327156173² = 3522687015064011858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327156073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10532923 + ... + 10533048.

Almost surely, 2^1327156173 is an apocalyptic number.

It is an amenable number.

1327156173 is a deficient number, since it is larger than the sum of its proper divisors (863704915).

1327156173 is a wasteful number, since it uses less digits than its factorization.

1327156173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21065984 (or 21065981 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 1327156173 is about 36430.1547210549. The cubic root of 1327156173 is about 1098.9400735055.

The spelling of 1327156173 in words is "one billion, three hundred twenty-seven million, one hundred fifty-six thousand, one hundred seventy-three".