25070136142 has 4 divisors (see below), whose sum is σ = 37605204216. Its totient is φ = 12535068070.

The previous prime is 25070136061. The next prime is 25070136167. The reversal of 25070136142 is 24163107052.

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

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, 6267534034 + ... + 6267534037.

It is an arithmetic number, because the mean of its divisors is an integer number (9401301054).

Almost surely, 2^25070136142 is an apocalyptic number.

25070136142 is a deficient number, since it is larger than the sum of its proper divisors (12535068074).

25070136142 is a wasteful number, since it uses less digits than its factorization.

25070136142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12535068073.

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 25070136142 in words is "twenty-five billion, seventy million, one hundred thirty-six thousand, one hundred forty-two".