9940005151 has 8 divisors (see below), whose sum is σ = 10567882080. Its totient is φ = 9328436832.

The previous prime is 9940005149. The next prime is 9940005157. The reversal of 9940005151 is 1515000499.

It is a happy number.

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 9940005151 - 2¹ = 9940005149 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 (9940005157) 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, 4075896 + ... + 4078333.

It is an arithmetic number, because the mean of its divisors is an integer number (1320985260).

Almost surely, 2^9940005151 is an apocalyptic number.

9940005151 is a deficient number, since it is larger than the sum of its proper divisors (627876929).

9940005151 is a wasteful number, since it uses less digits than its factorization.

9940005151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8154305.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 9940005151 is about 99699.5744775272. The cubic root of 9940005151 is about 2150.1175454753.

The spelling of 9940005151 in words is "nine billion, nine hundred forty million, five thousand, one hundred fifty-one".