140153677 has 4 divisors (see below), whose sum is σ = 142798140. Its totient is φ = 137509216.

The previous prime is 140153653. The next prime is 140153683. The reversal of 140153677 is 776351041.

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 48358116 + 91795561 = 6954^2 + 9581^2 .

It is a cyclic number.

It is not a de Polignac number, because 140153677 - 2¹⁵ = 140120909 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 (140153777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1322152 + ... + 1322257.

It is an arithmetic number, because the mean of its divisors is an integer number (35699535).

Almost surely, 2^140153677 is an apocalyptic number.

It is an amenable number.

140153677 is a deficient number, since it is larger than the sum of its proper divisors (2644463).

140153677 is an equidigital number, since it uses as much as digits as its factorization.

140153677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644462.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 140153677 is about 11838.6518235819. The cubic root of 140153677 is about 519.4393328327.

The spelling of 140153677 in words is "one hundred forty million, one hundred fifty-three thousand, six hundred seventy-seven".