8061590142 has 48 divisors (see below), whose sum is σ = 18456197760. Its totient is φ = 2536057296.

The previous prime is 8061590129. The next prime is 8061590149. The reversal of 8061590142 is 2410951608.

8061590142 is a `hidden beast` number, since 8 + 0 + 61 + 590 + 1 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 8061590097 and 8061590106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8061590149) 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, 45133 + ... + 134759.

It is an arithmetic number, because the mean of its divisors is an integer number (384504120).

Almost surely, 2^8061590142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8061590142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9228098880).

8061590142 is an abundant number, since it is smaller than the sum of its proper divisors (10394607618).

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

8061590142 is a wasteful number, since it uses less digits than its factorization.

8061590142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89917 (or 89914 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 8061590142 is about 89786.3583290914. The cubic root of 8061590142 is about 2005.1193965420.

The spelling of 8061590142 in words is "eight billion, sixty-one million, five hundred ninety thousand, one hundred forty-two".