140613551473 has 4 divisors (see below), whose sum is σ = 140615899120. Its totient is φ = 140611203828.

The previous prime is 140613551423. The next prime is 140613551489. The reversal of 140613551473 is 374155316041.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 140613551473 - 2³⁷ = 3174598001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140613551423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081563 + ... + 1204576.

It is an arithmetic number, because the mean of its divisors is an integer number (35153974780).

Almost surely, 2^140613551473 is an apocalyptic number.

It is an amenable number.

140613551473 is a deficient number, since it is larger than the sum of its proper divisors (2347647).

140613551473 is an equidigital number, since it uses as much as digits as its factorization.

140613551473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347646.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 140613551473 in words is "one hundred forty billion, six hundred thirteen million, five hundred fifty-one thousand, four hundred seventy-three".