134331445520131 has 32 divisors (see below), whose sum is σ = 141712732719360. Its totient is φ = 127155092972544.

The previous prime is 134331445520113. The next prime is 134331445520147. The reversal of 134331445520131 is 131025544133431.

It is a cyclic number.

It is not a de Polignac number, because 134331445520131 - 2⁵ = 134331445520099 is a prime.

It is a super-2 number, since 2×134331445520131² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134331445520101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1762679830 + ... + 1762756036.

It is an arithmetic number, because the mean of its divisors is an integer number (4428522897480).

Almost surely, 2^{134331445520131} is an apocalyptic number.

134331445520131 is a deficient number, since it is larger than the sum of its proper divisors (7381287199229).

134331445520131 is a wasteful number, since it uses less digits than its factorization.

134331445520131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81295.

The product of its (nonzero) digits is 259200, while the sum is 40.

Adding to 134331445520131 its reverse (131025544133431), we get a palindrome (265356989653562).

The spelling of 134331445520131 in words is "one hundred thirty-four trillion, three hundred thirty-one billion, four hundred forty-five million, five hundred twenty thousand, one hundred thirty-one".