125136210146342 has 4 divisors (see below), whose sum is σ = 187704315219516. Its totient is φ = 62568105073170.

The previous prime is 125136210146341. The next prime is 125136210146369. The reversal of 125136210146342 is 243641012631521.

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 125136210146342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125136210146341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31284052536584 + ... + 31284052536587.

It is an arithmetic number, because the mean of its divisors is an integer number (46926078804879).

Almost surely, 2^{125136210146342} is an apocalyptic number.

125136210146342 is a deficient number, since it is larger than the sum of its proper divisors (62568105073174).

125136210146342 is an equidigital number, since it uses as much as digits as its factorization.

125136210146342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62568105073173.

The product of its (nonzero) digits is 207360, while the sum is 41.

Adding to 125136210146342 its reverse (243641012631521), we get a palindrome (368777222777863).

The spelling of 125136210146342 in words is "one hundred twenty-five trillion, one hundred thirty-six billion, two hundred ten million, one hundred forty-six thousand, three hundred forty-two".