140034031220 has 24 divisors (see below), whose sum is σ = 306857182464. Its totient is φ = 53578237856.

The previous prime is 140034031217. The next prime is 140034031253. The reversal of 140034031220 is 22130430041.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 140034031192 and 140034031201.

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, 152210444 + ... + 152211363.

It is an arithmetic number, because the mean of its divisors is an integer number (12785715936).

Almost surely, 2^140034031220 is an apocalyptic number.

140034031220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140034031220 is an abundant number, since it is smaller than the sum of its proper divisors (166823151244).

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

140034031220 is a wasteful number, since it uses less digits than its factorization.

140034031220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304421839 (or 304421837 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 140034031220 its reverse (22130430041), we get a palindrome (162164461261).

The spelling of 140034031220 in words is "one hundred forty billion, thirty-four million, thirty-one thousand, two hundred twenty".