134211230251 has 12 divisors (see below), whose sum is σ = 156570632400. Its totient is φ = 114708560400.

The previous prime is 134211230201. The next prime is 134211230261. The reversal of 134211230251 is 152032112431.

It is a de Polignac number, because none of the positive numbers 2^k-134211230251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134211230201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3906975 + ... + 3941176.

It is an arithmetic number, because the mean of its divisors is an integer number (13047552700).

Almost surely, 2^134211230251 is an apocalyptic number.

134211230251 is a deficient number, since it is larger than the sum of its proper divisors (22359402149).

134211230251 is an equidigital number, since it uses as much as digits as its factorization.

134211230251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7848514 (or 7848507 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 134211230251 its reverse (152032112431), we get a palindrome (286243342682).

The spelling of 134211230251 in words is "one hundred thirty-four billion, two hundred eleven million, two hundred thirty thousand, two hundred fifty-one".