140406035530 has 8 divisors (see below), whose sum is σ = 252730863972. Its totient is φ = 56162414208.

The previous prime is 140406035521. The next prime is 140406035533. The reversal of 140406035530 is 35530604041.

It can be written as a sum of positive squares in 2 ways, for example, as 138555917361 + 1850118169 = 372231^2 + 43013^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 140406035492 and 140406035501.

It is not an unprimeable number, because it can be changed into a prime (140406035533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7020301767 + ... + 7020301786.

Almost surely, 2^140406035530 is an apocalyptic number.

140406035530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140406035530 is a deficient number, since it is larger than the sum of its proper divisors (112324828442).

140406035530 is a wasteful number, since it uses less digits than its factorization.

140406035530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14040603560.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 140406035530 its reverse (35530604041), we get a palindrome (175936639571).

The spelling of 140406035530 in words is "one hundred forty billion, four hundred six million, thirty-five thousand, five hundred thirty".