140342121403 has 16 divisors (see below), whose sum is σ = 154398827520. Its totient is φ = 127556443080.

The previous prime is 140342121383. The next prime is 140342121427. The reversal of 140342121403 is 304121243041.

140342121403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-140342121403 is a prime.

It is a super-2 number, since 2×140342121403² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140342121503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8785938 + ... + 8801896.

It is an arithmetic number, because the mean of its divisors is an integer number (9649926720).

Almost surely, 2^140342121403 is an apocalyptic number.

140342121403 is a deficient number, since it is larger than the sum of its proper divisors (14056706117).

140342121403 is an equidigital number, since it uses as much as digits as its factorization.

140342121403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22599 (or 22577 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 140342121403 its reverse (304121243041), we get a palindrome (444463364444).

The spelling of 140342121403 in words is "one hundred forty billion, three hundred forty-two million, one hundred twenty-one thousand, four hundred three".