140814151 has 4 divisors (see below), whose sum is σ = 141543952. Its totient is φ = 140084352.

The previous prime is 140814143. The next prime is 140814197. The reversal of 140814151 is 151418041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151418041 = 9221 ⋅16421.

It is a cyclic number.

It is not a de Polignac number, because 140814151 - 2³ = 140814143 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 (140815151) 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, 364611 + ... + 364996.

It is an arithmetic number, because the mean of its divisors is an integer number (35385988).

Almost surely, 2^140814151 is an apocalyptic number.

140814151 is a deficient number, since it is larger than the sum of its proper divisors (729801).

140814151 is an equidigital number, since it uses as much as digits as its factorization.

140814151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729800.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 140814151 is about 11866.5138520123. The cubic root of 140814151 is about 520.2540068211.

The spelling of 140814151 in words is "one hundred forty million, eight hundred fourteen thousand, one hundred fifty-one".