140310432142420 has 12 divisors (see below), whose sum is σ = 294651907499124. Its totient is φ = 56124172856960.

The previous prime is 140310432142393. The next prime is 140310432142427. The reversal of 140310432142420 is 24241234013041.

It is a happy number.

140310432142420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42144583836996 + 98165848305424 = 6491886^2 + 9907868^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140310432142427) 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, 3507760803541 + ... + 3507760803580.

It is an arithmetic number, because the mean of its divisors is an integer number (24554325624927).

Almost surely, 2^{140310432142420} is an apocalyptic number.

140310432142420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140310432142420 is an abundant number, since it is smaller than the sum of its proper divisors (154341475356704).

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

140310432142420 is a wasteful number, since it uses less digits than its factorization.

140310432142420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7015521607130 (or 7015521607128 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 140310432142420 its reverse (24241234013041), we get a palindrome (164551666155461).

The spelling of 140310432142420 in words is "one hundred forty trillion, three hundred ten billion, four hundred thirty-two million, one hundred forty-two thousand, four hundred twenty".