88135429 has 8 divisors (see below), whose sum is σ = 93671640. Its totient is φ = 82638336.

The previous prime is 88135427. The next prime is 88135441. The reversal of 88135429 is 92453188.

It can be written as a sum of positive squares in 4 ways, for example, as 10660225 + 77475204 = 3265^2 + 8802^2 .

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 88135429 - 2¹ = 88135427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88135391 and 88135400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88135427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5064 + ... + 14209.

It is an arithmetic number, because the mean of its divisors is an integer number (11708955).

Almost surely, 2^88135429 is an apocalyptic number.

It is an amenable number.

88135429 is a deficient number, since it is larger than the sum of its proper divisors (5536211).

88135429 is a wasteful number, since it uses less digits than its factorization.

88135429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19559.

The product of its digits is 69120, while the sum is 40.

The square root of 88135429 is about 9388.0471345216. The cubic root of 88135429 is about 445.0240764653.

The spelling of 88135429 in words is "eighty-eight million, one hundred thirty-five thousand, four hundred twenty-nine".