90134311 has 2 divisors, whose sum is σ = 90134312. Its totient is φ = 90134310.

The previous prime is 90134299. The next prime is 90134333. The reversal of 90134311 is 11343109.

It is an a-pointer prime, because the next prime (90134333) can be obtained adding 90134311 to its sum of digits (22).

It is a weak prime.

It is an emirp because it is prime and its reverse (11343109) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90134311 - 2¹⁷ = 90003239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90134371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45067155 + 45067156.

It is an arithmetic number, because the mean of its divisors is an integer number (45067156).

Almost surely, 2^90134311 is an apocalyptic number.

90134311 is a deficient number, since it is larger than the sum of its proper divisors (1).

90134311 is an equidigital number, since it uses as much as digits as its factorization.

90134311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 90134311 is about 9493.9091527147. The cubic root of 90134311 is about 448.3632905023.

The spelling of 90134311 in words is "ninety million, one hundred thirty-four thousand, three hundred eleven".