140150642501 has 4 divisors (see below), whose sum is σ = 140151413100. Its totient is φ = 140149871904.

The previous prime is 140150642483. The next prime is 140150642509. The reversal of 140150642501 is 105246051041.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 105246051041 = 157 ⋅670357013.

It can be written as a sum of positive squares in 2 ways, for example, as 12843688900 + 127306953601 = 113330^2 + 356801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140150642501 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 (140150642509) 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, 55955 + ... + 532383.

It is an arithmetic number, because the mean of its divisors is an integer number (35037853275).

Almost surely, 2^140150642501 is an apocalyptic number.

It is an amenable number.

140150642501 is a deficient number, since it is larger than the sum of its proper divisors (770599).

140150642501 is an equidigital number, since it uses as much as digits as its factorization.

140150642501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770598.

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

Adding to 140150642501 its reverse (105246051041), we get a palindrome (245396693542).

The spelling of 140150642501 in words is "one hundred forty billion, one hundred fifty million, six hundred forty-two thousand, five hundred one".