61030385134 has 4 divisors (see below), whose sum is σ = 91545577704. Its totient is φ = 30515192566.

The previous prime is 61030385123. The next prime is 61030385149. The reversal of 61030385134 is 43158303016.

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

It is a self number, because there is not a number n which added to its sum of digits gives 61030385134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15257596282 + ... + 15257596285.

It is an arithmetic number, because the mean of its divisors is an integer number (22886394426).

Almost surely, 2^61030385134 is an apocalyptic number.

61030385134 is a deficient number, since it is larger than the sum of its proper divisors (30515192570).

61030385134 is a wasteful number, since it uses less digits than its factorization.

61030385134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30515192569.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 61030385134 in words is "sixty-one billion, thirty million, three hundred eighty-five thousand, one hundred thirty-four".