140403208461 has 4 divisors (see below), whose sum is σ = 187204277952. Its totient is φ = 93602138972.

The previous prime is 140403208447. The next prime is 140403208487. The reversal of 140403208461 is 164802304041.

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 140403208461 - 2²⁶ = 140336099597 is a prime.

It is a super-3 number, since 3×140403208461³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140403208411) 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, 23400534741 + ... + 23400534746.

It is an arithmetic number, because the mean of its divisors is an integer number (46801069488).

Almost surely, 2^140403208461 is an apocalyptic number.

It is an amenable number.

140403208461 is a deficient number, since it is larger than the sum of its proper divisors (46801069491).

140403208461 is an equidigital number, since it uses as much as digits as its factorization.

140403208461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46801069490.

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 140403208461 in words is "one hundred forty billion, four hundred three million, two hundred eight thousand, four hundred sixty-one".