90517129 has 8 divisors (see below), whose sum is σ = 95944608. Its totient is φ = 85101120.

The previous prime is 90517127. The next prime is 90517139. The reversal of 90517129 is 92171509.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90517129 - 2¹ = 90517127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90517094 and 90517103.

It is not an unprimeable number, because it can be changed into a prime (90517123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17634 + ... + 22180.

It is an arithmetic number, because the mean of its divisors is an integer number (11993076).

Almost surely, 2^90517129 is an apocalyptic number.

It is an amenable number.

90517129 is a deficient number, since it is larger than the sum of its proper divisors (5427479).

90517129 is a wasteful number, since it uses less digits than its factorization.

90517129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5735.

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 90517129 is about 9514.0490328776. The cubic root of 90517129 is about 448.9971560807.

The spelling of 90517129 in words is "ninety million, five hundred seventeen thousand, one hundred twenty-nine".