140275501 has 4 divisors (see below), whose sum is σ = 140490972. Its totient is φ = 140060032.

The previous prime is 140275489. The next prime is 140275511. The reversal of 140275501 is 105572041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22553001 + 117722500 = 4749^2 + 10850^2 .

It is a cyclic number.

It is not a de Polignac number, because 140275501 - 2⁹ = 140274989 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 (140275511) 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, 106756 + ... + 108061.

It is an arithmetic number, because the mean of its divisors is an integer number (35122743).

Almost surely, 2^140275501 is an apocalyptic number.

It is an amenable number.

140275501 is a deficient number, since it is larger than the sum of its proper divisors (215471).

140275501 is an equidigital number, since it uses as much as digits as its factorization.

140275501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215470.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 140275501 is about 11843.7958864546. The cubic root of 140275501 is about 519.5897911314.

The spelling of 140275501 in words is "one hundred forty million, two hundred seventy-five thousand, five hundred one".