140706432340 has 24 divisors (see below), whose sum is σ = 295583155560. Its totient is φ = 56263592448.

The previous prime is 140706432299. The next prime is 140706432341. The reversal of 140706432340 is 43234607041.

It can be written as a sum of positive squares in 4 ways, for example, as 6631822096 + 134074610244 = 81436^2 + 366162^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140706432296 and 140706432305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140706432341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1125417 + ... + 1244176.

It is an arithmetic number, because the mean of its divisors is an integer number (12315964815).

Almost surely, 2^140706432340 is an apocalyptic number.

140706432340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140706432340 is an abundant number, since it is smaller than the sum of its proper divisors (154876723220).

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

140706432340 is a wasteful number, since it uses less digits than its factorization.

140706432340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2372571 (or 2372569 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 34.

The spelling of 140706432340 in words is "one hundred forty billion, seven hundred six million, four hundred thirty-two thousand, three hundred forty".