134521545040 has 20 divisors (see below), whose sum is σ = 312762592404. Its totient is φ = 53808617984.

The previous prime is 134521545029. The next prime is 134521545073. The reversal of 134521545040 is 40545125431.

It can be written as a sum of positive squares in 2 ways, for example, as 99005881104 + 35515663936 = 314652^2 + 188456^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×134521545040³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134521544987 and 134521545005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840759577 + ... + 840759736.

Almost surely, 2^134521545040 is an apocalyptic number.

134521545040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134521545040 is an abundant number, since it is smaller than the sum of its proper divisors (178241047364).

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

134521545040 is a wasteful number, since it uses less digits than its factorization.

134521545040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681519326 (or 1681519320 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 134521545040 in words is "one hundred thirty-four billion, five hundred twenty-one million, five hundred forty-five thousand, forty".