140452462461 has 4 divisors (see below), whose sum is σ = 187269949952. Its totient is φ = 93634974972.

The previous prime is 140452462373. The next prime is 140452462471. The reversal of 140452462461 is 164264254041.

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 not a de Polignac number, because 140452462461 - 2¹⁰ = 140452461437 is a prime.

It is a super-2 number, since 2×140452462461² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140452462471) 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, 23408743741 + ... + 23408743746.

It is an arithmetic number, because the mean of its divisors is an integer number (46817487488).

Almost surely, 2^140452462461 is an apocalyptic number.

It is an amenable number.

140452462461 is a deficient number, since it is larger than the sum of its proper divisors (46817487491).

140452462461 is an equidigital number, since it uses as much as digits as its factorization.

140452462461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46817487490.

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 140452462461 in words is "one hundred forty billion, four hundred fifty-two million, four hundred sixty-two thousand, four hundred sixty-one".