140137810454 has 4 divisors (see below), whose sum is σ = 210206715684. Its totient is φ = 70068905226.

The previous prime is 140137810451. The next prime is 140137810469. The reversal of 140137810454 is 454018731041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 454018731041 = 271 ⋅1675345871.

It is a super-3 number, since 3×140137810454³ (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 (140137810451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35034452612 + ... + 35034452615.

It is an arithmetic number, because the mean of its divisors is an integer number (52551678921).

Almost surely, 2^140137810454 is an apocalyptic number.

140137810454 is a deficient number, since it is larger than the sum of its proper divisors (70068905230).

140137810454 is an equidigital number, since it uses as much as digits as its factorization.

140137810454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70068905229.

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 140137810454 in words is "one hundred forty billion, one hundred thirty-seven million, eight hundred ten thousand, four hundred fifty-four".