140501501 has 4 divisors (see below), whose sum is σ = 160573152. Its totient is φ = 120429852.

The previous prime is 140501489. The next prime is 140501507. The reversal of 140501501 is 105105041.

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, and also an emirpimes, since its reverse is a distinct semiprime: 105105041 = 179 ⋅587179.

It is a cyclic number.

It is not a de Polignac number, because 140501501 - 2¹⁴ = 140485117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140501501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140501507) 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, 10035815 + ... + 10035828.

It is an arithmetic number, because the mean of its divisors is an integer number (40143288).

Almost surely, 2^140501501 is an apocalyptic number.

It is an amenable number.

140501501 is a deficient number, since it is larger than the sum of its proper divisors (20071651).

140501501 is an equidigital number, since it uses as much as digits as its factorization.

140501501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20071650.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 140501501 is about 11853.3329068241. The cubic root of 140501501 is about 519.8686810905.

Adding to 140501501 its reverse (105105041), we get a palindrome (245606542).

It can be divided in two parts, 14050 and 1501, that added together give a palindrome (15551).

The spelling of 140501501 in words is "one hundred forty million, five hundred one thousand, five hundred one".