107784142 has 4 divisors (see below), whose sum is σ = 161676216. Its totient is φ = 53892070.

The previous prime is 107784137. The next prime is 107784143. The reversal of 107784142 is 241487701.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 107784098 and 107784107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107784143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26946034 + ... + 26946037.

It is an arithmetic number, because the mean of its divisors is an integer number (40419054).

Almost surely, 2^107784142 is an apocalyptic number.

107784142 is a deficient number, since it is larger than the sum of its proper divisors (53892074).

107784142 is an equidigital number, since it uses as much as digits as its factorization.

107784142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53892073.

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 107784142 is about 10381.9141780309. The cubic root of 107784142 is about 475.9028324836.

The spelling of 107784142 in words is "one hundred seven million, seven hundred eighty-four thousand, one hundred forty-two".