134081421531 has 16 divisors (see below), whose sum is σ = 189305662464. Its totient is φ = 84123188864.

The previous prime is 134081421517. The next prime is 134081421547. The reversal of 134081421531 is 135124180431.

It is a cyclic number.

It is not a de Polignac number, because 134081421531 - 2⁷ = 134081421403 is a prime.

It is a super-2 number, since 2×134081421531² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134081421492 and 134081421501.

It is not an unprimeable number, because it can be changed into a prime (134081421581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 638926 + ... + 822428.

It is an arithmetic number, because the mean of its divisors is an integer number (11831603904).

Almost surely, 2^134081421531 is an apocalyptic number.

134081421531 is a deficient number, since it is larger than the sum of its proper divisors (55224240933).

134081421531 is a wasteful number, since it uses less digits than its factorization.

134081421531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197850.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 134081421531 in words is "one hundred thirty-four billion, eighty-one million, four hundred twenty-one thousand, five hundred thirty-one".