100402135 has 8 divisors (see below), whose sum is σ = 120730896. Its totient is φ = 80156160.

The previous prime is 100402123. The next prime is 100402139. The reversal of 100402135 is 531204001.

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

It is not a de Polignac number, because 100402135 - 2¹⁷ = 100271063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100402139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17994 + ... + 22903.

It is an arithmetic number, because the mean of its divisors is an integer number (15091362).

Almost surely, 2^100402135 is an apocalyptic number.

100402135 is a deficient number, since it is larger than the sum of its proper divisors (20328761).

100402135 is an equidigital number, since it uses as much as digits as its factorization.

100402135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41393.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 100402135 is about 10020.0865764723. The cubic root of 100402135 is about 464.7802329912.

Adding to 100402135 its reverse (531204001), we get a palindrome (631606136).

The spelling of 100402135 in words is "one hundred million, four hundred two thousand, one hundred thirty-five".