140315051220 has 48 divisors (see below), whose sum is σ = 392997830400. Its totient is φ = 37406329216.

The previous prime is 140315051159. The next prime is 140315051249. The reversal of 140315051220 is 22150513041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137820 + ... + 547379.

It is an arithmetic number, because the mean of its divisors is an integer number (8187454800).

Almost surely, 2^140315051220 is an apocalyptic number.

140315051220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140315051220 is an abundant number, since it is smaller than the sum of its proper divisors (252682779180).

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

140315051220 is a wasteful number, since it uses less digits than its factorization.

140315051220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688624 (or 688622 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 140315051220 its reverse (22150513041), we get a palindrome (162465564261).

The spelling of 140315051220 in words is "one hundred forty billion, three hundred fifteen million, fifty-one thousand, two hundred twenty".