140403663461 has 8 divisors (see below), whose sum is σ = 148909945344. Its totient is φ = 132097529520.

The previous prime is 140403663457. The next prime is 140403663479. The reversal of 140403663461 is 164366304041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140403663461 - 2² = 140403663457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140403663401) 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 7 ways as a sum of consecutive naturals, for example, 50035541 + ... + 50038346.

It is an arithmetic number, because the mean of its divisors is an integer number (18613743168).

Almost surely, 2^140403663461 is an apocalyptic number.

It is an amenable number.

140403663461 is a deficient number, since it is larger than the sum of its proper divisors (8506281883).

140403663461 is a wasteful number, since it uses less digits than its factorization.

140403663461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100073971.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 140403663461 in words is "one hundred forty billion, four hundred three million, six hundred sixty-three thousand, four hundred sixty-one".