85388000140 has 24 divisors (see below), whose sum is σ = 179419064832. Its totient is φ = 34135340160.

The previous prime is 85388000107. The next prime is 85388000153. The reversal of 85388000140 is 4100088358.

It is a super-2 number, since 2×85388000140² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85388000140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1205964 + ... + 1274803.

It is an arithmetic number, because the mean of its divisors is an integer number (7475794368).

Almost surely, 2^85388000140 is an apocalyptic number.

It is an amenable number.

85388000140 is an abundant number, since it is smaller than the sum of its proper divisors (94031064692).

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

85388000140 is a wasteful number, since it uses less digits than its factorization.

85388000140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482497 (or 2482495 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 37.

Adding to 85388000140 its reverse (4100088358), we get a palindrome (89488088498).

The spelling of 85388000140 in words is "eighty-five billion, three hundred eighty-eight million, one hundred forty", and thus it is an aban number.