85140254 has 8 divisors (see below), whose sum is σ = 134432040. Its totient is φ = 40329576.

The previous prime is 85140247. The next prime is 85140271. The reversal of 85140254 is 45204158.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1120229 + ... + 1120304.

It is an arithmetic number, because the mean of its divisors is an integer number (16804005).

Almost surely, 2^85140254 is an apocalyptic number.

85140254 is a deficient number, since it is larger than the sum of its proper divisors (49291786).

85140254 is a wasteful number, since it uses less digits than its factorization.

85140254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240554.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 85140254 is about 9227.1476632814. The cubic root of 85140254 is about 439.9246668549.

The spelling of 85140254 in words is "eighty-five million, one hundred forty thousand, two hundred fifty-four".