134449054531 has 12 divisors (see below), whose sum is σ = 147824567296. Its totient is φ = 122191906320.

The previous prime is 134449054477. The next prime is 134449054543. The reversal of 134449054531 is 135450944431.

It is not a de Polignac number, because 134449054531 - 2¹¹ = 134449052483 is a prime.

It is a super-2 number, since 2×134449054531² (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 (134449054561) 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, 278485 + ... + 588601.

Almost surely, 2^134449054531 is an apocalyptic number.

134449054531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134449054531 is a deficient number, since it is larger than the sum of its proper divisors (13375512765).

134449054531 is a wasteful number, since it uses less digits than its factorization.

134449054531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313722 (or 313711 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

Adding to 134449054531 its reverse (135450944431), we get a palindrome (269899998962).

The spelling of 134449054531 in words is "one hundred thirty-four billion, four hundred forty-nine million, fifty-four thousand, five hundred thirty-one".