1285853190 has 32 divisors (see below), whose sum is σ = 3097050336. Its totient is φ = 341671680.

The previous prime is 1285853189. The next prime is 1285853197. The reversal of 1285853190 is 913585821.

It is a super-4 number, since 4×1285853190⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3, 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1285853197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67837 + ... + 84696.

It is an arithmetic number, because the mean of its divisors is an integer number (96782823).

Almost surely, 2^1285853190 is an apocalyptic number.

1285853190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1285853190 is an abundant number, since it is smaller than the sum of its proper divisors (1811197146).

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

1285853190 is a wasteful number, since it uses less digits than its factorization.

1285853190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152824.

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 1285853190 is about 35858.7951554427. The cubic root of 1285853190 is about 1087.4195305764.

The spelling of 1285853190 in words is "one billion, two hundred eighty-five million, eight hundred fifty-three thousand, one hundred ninety".