140406523330 has 8 divisors (see below), whose sum is σ = 252731742012. Its totient is φ = 56162609328.

The previous prime is 140406523273. The next prime is 140406523331. The reversal of 140406523330 is 33325604041.

It can be written as a sum of positive squares in 2 ways, for example, as 136819351881 + 3587171449 = 369891^2 + 59893^2 .

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 = 140406523292 and 140406523301.

It is not an unprimeable number, because it can be changed into a prime (140406523331) 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, 7020326157 + ... + 7020326176.

Almost surely, 2^140406523330 is an apocalyptic number.

140406523330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140406523330 is a deficient number, since it is larger than the sum of its proper divisors (112325218682).

140406523330 is a wasteful number, since it uses less digits than its factorization.

140406523330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14040652340.

The product of its (nonzero) digits is 25920, while the sum is 31.

The spelling of 140406523330 in words is "one hundred forty billion, four hundred six million, five hundred twenty-three thousand, three hundred thirty".