82140951 has 8 divisors (see below), whose sum is σ = 109575040. Its totient is φ = 54733752.

The previous prime is 82140931. The next prime is 82140959. The reversal of 82140951 is 15904128.

It is a happy number.

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

It is not a de Polignac number, because 82140951 - 2¹³ = 82132759 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 (82140959) 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, 2040 + ... + 12978.

It is an arithmetic number, because the mean of its divisors is an integer number (13696880).

Almost surely, 2^82140951 is an apocalyptic number.

82140951 is a deficient number, since it is larger than the sum of its proper divisors (27434089).

82140951 is a wasteful number, since it uses less digits than its factorization.

82140951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13445.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 82140951 is about 9063.1645135681. The cubic root of 82140951 is about 434.6969325119.

The spelling of 82140951 in words is "eighty-two million, one hundred forty thousand, nine hundred fifty-one".