140465546554 has 4 divisors (see below), whose sum is σ = 210698319834. Its totient is φ = 70232773276.

The previous prime is 140465546539. The next prime is 140465546567. The reversal of 140465546554 is 455645564041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 455645564041 = 9203 ⋅49510547.

It can be written as a sum of positive squares in only one way, i.e., 140463796225 + 1750329 = 374785^2 + 1323^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 140465546498 and 140465546507.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35116386637 + ... + 35116386640.

Almost surely, 2^140465546554 is an apocalyptic number.

140465546554 is a deficient number, since it is larger than the sum of its proper divisors (70232773280).

140465546554 is an equidigital number, since it uses as much as digits as its factorization.

140465546554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70232773279.

The product of its (nonzero) digits is 5760000, while the sum is 49.

The spelling of 140465546554 in words is "one hundred forty billion, four hundred sixty-five million, five hundred forty-six thousand, five hundred fifty-four".