140690501 has 8 divisors (see below), whose sum is σ = 161493120. Its totient is φ = 120063888.

The previous prime is 140690489. The next prime is 140690503. The reversal of 140690501 is 105096041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140690501 - 2¹⁰ = 140689477 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 (140690503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42281 + ... + 45486.

It is an arithmetic number, because the mean of its divisors is an integer number (20186640).

Almost surely, 2^140690501 is an apocalyptic number.

It is an amenable number.

140690501 is a deficient number, since it is larger than the sum of its proper divisors (20802619).

140690501 is an equidigital number, since it uses as much as digits as its factorization.

140690501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88003.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 140690501 is about 11861.3026687628. The cubic root of 140690501 is about 520.1016825315.

The spelling of 140690501 in words is "one hundred forty million, six hundred ninety thousand, five hundred one".