1771364142 has 48 divisors (see below), whose sum is σ = 3886515360. Its totient is φ = 583013376.

The previous prime is 1771364141. The next prime is 1771364143. The reversal of 1771364142 is 2414631771.

1771364142 is a `hidden beast` number, since 1 + 7 + 7 + 1 + 3 + 641 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1771364141) and next prime (1771364143).

It is a junction number, because it is equal to n+sod(n) for n = 1771364097 and 1771364106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1771364141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 992583 + ... + 994365.

It is an arithmetic number, because the mean of its divisors is an integer number (80969070).

Almost surely, 2^1771364142 is an apocalyptic number.

1771364142 is an abundant number, since it is smaller than the sum of its proper divisors (2115151218).

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

1771364142 is a wasteful number, since it uses less digits than its factorization.

1771364142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457 (or 2454 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 1771364142 is about 42087.5770507165. The cubic root of 1771364142 is about 1209.9551794522.

The spelling of 1771364142 in words is "one billion, seven hundred seventy-one million, three hundred sixty-four thousand, one hundred forty-two".