141706778440 has 32 divisors (see below), whose sum is σ = 332702873280. Its totient is φ = 54218245312.

The previous prime is 141706778393. The next prime is 141706778441. The reversal of 141706778440 is 44877607141.

141706778440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×141706778440² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (141706778441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77013634 + ... + 77015473.

It is an arithmetic number, because the mean of its divisors is an integer number (10396964790).

Almost surely, 2^141706778440 is an apocalyptic number.

141706778440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141706778440 is an abundant number, since it is smaller than the sum of its proper divisors (190996094840).

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

141706778440 is a wasteful number, since it uses less digits than its factorization.

141706778440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154029141 (or 154029137 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 49.

The spelling of 141706778440 in words is "one hundred forty-one billion, seven hundred six million, seven hundred seventy-eight thousand, four hundred forty".