1027702140 has 48 divisors (see below), whose sum is σ = 2903984160. Its totient is φ = 271537920.

The previous prime is 1027702129. The next prime is 1027702157. The reversal of 1027702140 is 412077201.

It is a self number, because there is not a number n which added to its sum of digits gives 1027702140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72031 + ... + 85110.

It is an arithmetic number, because the mean of its divisors is an integer number (60499670).

Almost surely, 2^1027702140 is an apocalyptic number.

1027702140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1027702140 is an abundant number, since it is smaller than the sum of its proper divisors (1876282020).

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

1027702140 is a wasteful number, since it uses less digits than its factorization.

1027702140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157262 (or 157260 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 1027702140 is about 32057.7937481668. The cubic root of 1027702140 is about 1009.1500675708.

Adding to 1027702140 its reverse (412077201), we get a palindrome (1439779341).

The spelling of 1027702140 in words is "one billion, twenty-seven million, seven hundred two thousand, one hundred forty".