140131223344 has 40 divisors (see below), whose sum is σ = 310423131648. Its totient is φ = 60030580800.

The previous prime is 140131223299. The next prime is 140131223347. The reversal of 140131223344 is 443322131041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (140131223347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2782 + ... + 529405.

Almost surely, 2^140131223344 is an apocalyptic number.

140131223344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140131223344 is an abundant number, since it is smaller than the sum of its proper divisors (170291908304).

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

140131223344 is a wasteful number, since it uses less digits than its factorization.

140131223344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534553 (or 534547 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 140131223344 its reverse (443322131041), we get a palindrome (583453354385).

The spelling of 140131223344 in words is "one hundred forty billion, one hundred thirty-one million, two hundred twenty-three thousand, three hundred forty-four".