531440141354 has 4 divisors (see below), whose sum is σ = 797160212034. Its totient is φ = 265720070676.

The previous prime is 531440141333. The next prime is 531440141389. The reversal of 531440141354 is 453141044135.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 529150040329 + 2290101025 = 727427^2 + 47855^2 .

It is a super-3 number, since 3×531440141354³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 132860035337 + ... + 132860035340.

Almost surely, 2^531440141354 is an apocalyptic number.

531440141354 is a deficient number, since it is larger than the sum of its proper divisors (265720070680).

531440141354 is a wasteful number, since it uses less digits than its factorization.

531440141354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265720070679.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 531440141354 its reverse (453141044135), we get a palindrome (984581185489).

The spelling of 531440141354 in words is "five hundred thirty-one billion, four hundred forty million, one hundred forty-one thousand, three hundred fifty-four".