140234001023420 has 24 divisors (see below), whose sum is σ = 294491659585200. Its totient is φ = 56093551373952.

The previous prime is 140234001023317. The next prime is 140234001023437. The reversal of 140234001023420 is 24320100432041.

It is a self number, because there is not a number n which added to its sum of digits gives 140234001023420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28130936 + ... + 32738624.

It is an arithmetic number, because the mean of its divisors is an integer number (12270485816050).

Almost surely, 2^{140234001023420} is an apocalyptic number.

140234001023420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140234001023420 is an abundant number, since it is smaller than the sum of its proper divisors (154257658561780).

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

140234001023420 is a wasteful number, since it uses less digits than its factorization.

140234001023420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6129437 (or 6129435 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 140234001023420 its reverse (24320100432041), we get a palindrome (164554101455461).

The spelling of 140234001023420 in words is "one hundred forty trillion, two hundred thirty-four billion, one million, twenty-three thousand, four hundred twenty".