200136650542 has 4 divisors (see below), whose sum is σ = 300204975816. Its totient is φ = 100068325270.

The previous prime is 200136650509. The next prime is 200136650543. The reversal of 200136650542 is 245056631002.

200136650542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245056631002 = 2 ⋅122528315501.

It is a junction number, because it is equal to n+sod(n) for n = 200136650498 and 200136650507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200136650543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50034162634 + ... + 50034162637.

It is an arithmetic number, because the mean of its divisors is an integer number (75051243954).

Almost surely, 2^200136650542 is an apocalyptic number.

200136650542 is a deficient number, since it is larger than the sum of its proper divisors (100068325274).

200136650542 is a wasteful number, since it uses less digits than its factorization.

200136650542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100068325273.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 200136650542 in words is "two hundred billion, one hundred thirty-six million, six hundred fifty thousand, five hundred forty-two".