3891701142 has 48 divisors (see below), whose sum is σ = 9674170272. Its totient is φ = 1107578880.

The previous prime is 3891701141. The next prime is 3891701153. The reversal of 3891701142 is 2411071983.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3891701097 and 3891701106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3891701141) 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, 27709 + ... + 92472.

It is an arithmetic number, because the mean of its divisors is an integer number (201545214).

Almost surely, 2^3891701142 is an apocalyptic number.

3891701142 is an abundant number, since it is smaller than the sum of its proper divisors (5782469130).

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

3891701142 is a wasteful number, since it uses less digits than its factorization.

3891701142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120453 (or 120450 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 3891701142 is about 62383.5005590421. The cubic root of 3891701142 is about 1572.9436358986.

The spelling of 3891701142 in words is "three billion, eight hundred ninety-one million, seven hundred one thousand, one hundred forty-two".