134240642546 has 16 divisors (see below), whose sum is σ = 208969983000. Its totient is φ = 64598771328.

The previous prime is 134240642521. The next prime is 134240642567. The reversal of 134240642546 is 645246042431.

It can be written as a sum of positive squares in 4 ways, for example, as 28852759321 + 105387883225 = 169861^2 + 324635^2 .

It is a super-2 number, since 2×134240642546² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3679121 + ... + 3715428.

Almost surely, 2^134240642546 is an apocalyptic number.

134240642546 is a deficient number, since it is larger than the sum of its proper divisors (74729340454).

134240642546 is a wasteful number, since it uses less digits than its factorization.

134240642546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7394893.

The product of its (nonzero) digits is 552960, while the sum is 41.

Adding to 134240642546 its reverse (645246042431), we get a palindrome (779486684977).

The spelling of 134240642546 in words is "one hundred thirty-four billion, two hundred forty million, six hundred forty-two thousand, five hundred forty-six".