99940134 has 32 divisors (see below), whose sum is σ = 231194880. Its totient is φ = 28209312.

The previous prime is 99940121. The next prime is 99940151. The reversal of 99940134 is 43104999.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 99940092 and 99940101.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 10849 + ... + 17820.

It is an arithmetic number, because the mean of its divisors is an integer number (7224840).

Almost surely, 2^99940134 is an apocalyptic number.

99940134 is an abundant number, since it is smaller than the sum of its proper divisors (131254746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99940134 is a wasteful number, since it uses less digits than its factorization.

99940134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28764.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 99940134 is about 9997.0062518736. The cubic root of 99940134 is about 464.0662404192.

The spelling of 99940134 in words is "ninety-nine million, nine hundred forty thousand, one hundred thirty-four".