28140153 has 8 divisors (see below), whose sum is σ = 37656768. Its totient is φ = 18691824.

The previous prime is 28140143. The next prime is 28140187. The reversal of 28140153 is 35104182.

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

It is not a de Polignac number, because 28140153 - 2⁴ = 28140137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28140143) 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, 16101 + ... + 17762.

It is an arithmetic number, because the mean of its divisors is an integer number (4707096).

Almost surely, 2^28140153 is an apocalyptic number.

It is an amenable number.

28140153 is a deficient number, since it is larger than the sum of its proper divisors (9516615).

28140153 is a wasteful number, since it uses less digits than its factorization.

28140153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34143.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 28140153 is about 5304.7293050635. The cubic root of 28140153 is about 304.1647054439.

The spelling of 28140153 in words is "twenty-eight million, one hundred forty thousand, one hundred fifty-three".