134955420131 has 16 divisors (see below), whose sum is σ = 162584098560. Its totient is φ = 109431453600.

The previous prime is 134955420109. The next prime is 134955420151. The reversal of 134955420131 is 131024559431.

It is a happy number.

It is not a de Polignac number, because 134955420131 - 2¹⁰ = 134955419107 is a prime.

It is a super-2 number, since 2×134955420131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134955420101) 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 15 ways as a sum of consecutive naturals, for example, 630521 + ... + 816986.

It is an arithmetic number, because the mean of its divisors is an integer number (10161506160).

Almost surely, 2^134955420131 is an apocalyptic number.

134955420131 is a deficient number, since it is larger than the sum of its proper divisors (27628678429).

134955420131 is a wasteful number, since it uses less digits than its factorization.

134955420131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448234.

The product of its (nonzero) digits is 64800, while the sum is 38.

Adding to 134955420131 its reverse (131024559431), we get a palindrome (265979979562).

The spelling of 134955420131 in words is "one hundred thirty-four billion, nine hundred fifty-five million, four hundred twenty thousand, one hundred thirty-one".