134263633640 has 32 divisors (see below), whose sum is σ = 302337501480. Its totient is φ = 53662017792.

The previous prime is 134263633591. The next prime is 134263633657. The reversal of 134263633640 is 46336362431.

It can be written as a sum of positive squares in 4 ways, for example, as 130915159684 + 3348473956 = 361822^2 + 57866^2 .

It is a super-2 number, since 2×134263633640² (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, 1307267 + ... + 1406226.

Almost surely, 2^134263633640 is an apocalyptic number.

134263633640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134263633640 is an abundant number, since it is smaller than the sum of its proper divisors (168073867840).

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

134263633640 is a wasteful number, since it uses less digits than its factorization.

134263633640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714741 (or 2714737 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 41.

The spelling of 134263633640 in words is "one hundred thirty-four billion, two hundred sixty-three million, six hundred thirty-three thousand, six hundred forty".