90710129 has 4 divisors (see below), whose sum is σ = 90738240. Its totient is φ = 90682020.

The previous prime is 90710107. The next prime is 90710153. The reversal of 90710129 is 92101709.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90710129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90710629) 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, 8477 + ... + 15914.

It is an arithmetic number, because the mean of its divisors is an integer number (22684560).

Almost surely, 2^90710129 is an apocalyptic number.

It is an amenable number.

90710129 is a deficient number, since it is larger than the sum of its proper divisors (28111).

90710129 is a wasteful number, since it uses less digits than its factorization.

90710129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28110.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 90710129 is about 9524.1865269429. The cubic root of 90710129 is about 449.3160457594.

The spelling of 90710129 in words is "ninety million, seven hundred ten thousand, one hundred twenty-nine".