134000420240 has 40 divisors (see below), whose sum is σ = 311584934520. Its totient is φ = 53594326016.

The previous prime is 134000420233. The next prime is 134000420269. The reversal of 134000420240 is 42024000431.

It can be written as a sum of positive squares in 4 ways, for example, as 3789141136 + 130211279104 = 61556^2 + 360848^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×134000420240² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 688682 + ... + 861558.

It is an arithmetic number, because the mean of its divisors is an integer number (7789623363).

Almost surely, 2^134000420240 is an apocalyptic number.

134000420240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134000420240 is an abundant number, since it is smaller than the sum of its proper divisors (177584514280).

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

134000420240 is a wasteful number, since it uses less digits than its factorization.

134000420240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182579 (or 182573 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 134000420240 its reverse (42024000431), we get a palindrome (176024420671).

The spelling of 134000420240 in words is "one hundred thirty-four billion, four hundred twenty thousand, two hundred forty".