356740091 has 2 divisors, whose sum is σ = 356740092. Its totient is φ = 356740090.

The previous prime is 356740081. The next prime is 356740127. The reversal of 356740091 is 190047653.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-356740091 is a prime.

It is equal to p_19145933 and since 356740091 and 19145933 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (356740031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178370045 + 178370046.

It is an arithmetic number, because the mean of its divisors is an integer number (178370046).

Almost surely, 2^356740091 is an apocalyptic number.

356740091 is a deficient number, since it is larger than the sum of its proper divisors (1).

356740091 is an equidigital number, since it uses as much as digits as its factorization.

356740091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 356740091 is about 18887.5644538940. The cubic root of 356740091 is about 709.2248970406.

The spelling of 356740091 in words is "three hundred fifty-six million, seven hundred forty thousand, ninety-one".