140330232553 has 6 divisors (see below), whose sum is σ = 163241290986. Its totient is φ = 120283056432.

The previous prime is 140330232551. The next prime is 140330232599. The reversal of 140330232553 is 355232033041.

It can be written as a sum of positive squares in only one way, i.e., 76487092969 + 63843139584 = 276563^2 + 252672^2 .

It is not a de Polignac number, because 140330232553 - 2¹ = 140330232551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140330232551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1431941100 + ... + 1431941197.

It is an arithmetic number, because the mean of its divisors is an integer number (27206881831).

Almost surely, 2^140330232553 is an apocalyptic number.

It is an amenable number.

140330232553 is a deficient number, since it is larger than the sum of its proper divisors (22911058433).

140330232553 is an equidigital number, since it uses as much as digits as its factorization.

140330232553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863882311 (or 2863882304 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 140330232553 its reverse (355232033041), we get a palindrome (495562265594).

The spelling of 140330232553 in words is "one hundred forty billion, three hundred thirty million, two hundred thirty-two thousand, five hundred fifty-three".