140001516254 has 4 divisors (see below), whose sum is σ = 210002274384. Its totient is φ = 70000758126.

The previous prime is 140001516251. The next prime is 140001516269. The reversal of 140001516254 is 452615100041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 452615100041 = 13 ⋅34816546157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140001516251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35000379062 + ... + 35000379065.

It is an arithmetic number, because the mean of its divisors is an integer number (52500568596).

Almost surely, 2^140001516254 is an apocalyptic number.

140001516254 is a deficient number, since it is larger than the sum of its proper divisors (70000758130).

140001516254 is an equidigital number, since it uses as much as digits as its factorization.

140001516254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70000758129.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 140001516254 its reverse (452615100041), we get a palindrome (592616616295).

The spelling of 140001516254 in words is "one hundred forty billion, one million, five hundred sixteen thousand, two hundred fifty-four".