61334142340 has 12 divisors (see below), whose sum is σ = 128801698956. Its totient is φ = 24533656928.

The previous prime is 61334142319. The next prime is 61334142367. The reversal of 61334142340 is 4324143316.

It can be written as a sum of positive squares in 2 ways, for example, as 42831613764 + 18502528576 = 206958^2 + 136024^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1533353539 + ... + 1533353578.

It is an arithmetic number, because the mean of its divisors is an integer number (10733474913).

Almost surely, 2^61334142340 is an apocalyptic number.

It is an amenable number.

61334142340 is an abundant number, since it is smaller than the sum of its proper divisors (67467556616).

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

61334142340 is a wasteful number, since it uses less digits than its factorization.

61334142340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066707126 (or 3066707124 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 61334142340 its reverse (4324143316), we get a palindrome (65658285656).

The spelling of 61334142340 in words is "sixty-one billion, three hundred thirty-four million, one hundred forty-two thousand, three hundred forty".