1356484091 has 2 divisors, whose sum is σ = 1356484092. Its totient is φ = 1356484090.

The previous prime is 1356484033. The next prime is 1356484109. The reversal of 1356484091 is 1904846531.

1356484091 is nontrivially palindromic in base 11.

Together with next prime (1356484109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1356484091 - 2¹⁸ = 1356221947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1356484291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678242045 + 678242046.

It is an arithmetic number, because the mean of its divisors is an integer number (678242046).

Almost surely, 2^1356484091 is an apocalyptic number.

1356484091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356484091 is an equidigital number, since it uses as much as digits as its factorization.

1356484091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 1356484091 is about 36830.4777460190. The cubic root of 1356484091 is about 1106.9760757347.

The spelling of 1356484091 in words is "one billion, three hundred fifty-six million, four hundred eighty-four thousand, ninety-one".