134134436440 has 64 divisors (see below), whose sum is σ = 306151322400. Its totient is φ = 52885757952.

The previous prime is 134134436431. The next prime is 134134436459. The reversal of 134134436440 is 44634431431.

It is a self number, because there is not a number n which added to its sum of digits gives 134134436440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 761779 + ... + 921181.

Almost surely, 2^134134436440 is an apocalyptic number.

134134436440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134134436440 is an abundant number, since it is smaller than the sum of its proper divisors (172016885960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134134436440 is a wasteful number, since it uses less digits than its factorization.

134134436440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159716 (or 159712 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 134134436440 its reverse (44634431431), we get a palindrome (178768867871).

The spelling of 134134436440 in words is "one hundred thirty-four billion, one hundred thirty-four million, four hundred thirty-six thousand, four hundred forty".