1367055881 has 4 divisors (see below), whose sum is σ = 1367144064. Its totient is φ = 1366967700.

The previous prime is 1367055869. The next prime is 1367055913. The reversal of 1367055881 is 1885507631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1367055881 is a prime.

It is a super-2 number, since 2×1367055881² = 3737683563553372322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1367055181) 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, 13985 + ... + 54126.

It is an arithmetic number, because the mean of its divisors is an integer number (341786016).

Almost surely, 2^1367055881 is an apocalyptic number.

It is an amenable number.

1367055881 is a deficient number, since it is larger than the sum of its proper divisors (88183).

1367055881 is an equidigital number, since it uses as much as digits as its factorization.

1367055881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88182.

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 1367055881 is about 36973.7187878093. The cubic root of 1367055881 is about 1109.8443850241.

The spelling of 1367055881 in words is "one billion, three hundred sixty-seven million, fifty-five thousand, eight hundred eighty-one".