136630442254 has 8 divisors (see below), whose sum is σ = 206759342160. Its totient is φ = 67710661536.

The previous prime is 136630442239. The next prime is 136630442257. The reversal of 136630442254 is 452244036631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136630442257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302279514 + ... + 302279965.

It is an arithmetic number, because the mean of its divisors is an integer number (25844917770).

Almost surely, 2^136630442254 is an apocalyptic number.

136630442254 is a deficient number, since it is larger than the sum of its proper divisors (70128899906).

136630442254 is a wasteful number, since it uses less digits than its factorization.

136630442254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604559594.

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 136630442254 its reverse (452244036631), we get a palindrome (588874478885).

The spelling of 136630442254 in words is "one hundred thirty-six billion, six hundred thirty million, four hundred forty-two thousand, two hundred fifty-four".