140803481437 has 4 divisors (see below), whose sum is σ = 141735954976. Its totient is φ = 139871007900.

The previous prime is 140803481411. The next prime is 140803481471. The reversal of 140803481437 is 734184308041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 734184308041 = 16223 ⋅45255767.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140803481437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140803481393 and 140803481402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140803482437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466236543 + ... + 466236844.

It is an arithmetic number, because the mean of its divisors is an integer number (35433988744).

Almost surely, 2^140803481437 is an apocalyptic number.

It is an amenable number.

140803481437 is a deficient number, since it is larger than the sum of its proper divisors (932473539).

140803481437 is an equidigital number, since it uses as much as digits as its factorization.

140803481437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932473538.

The product of its (nonzero) digits is 258048, while the sum is 43.

Adding to 140803481437 its reverse (734184308041), we get a palindrome (874987789478).

The spelling of 140803481437 in words is "one hundred forty billion, eight hundred three million, four hundred eighty-one thousand, four hundred thirty-seven".