140065154 has 8 divisors (see below), whose sum is σ = 211000140. Its totient is φ = 69731776.

The previous prime is 140065151. The next prime is 140065181. The reversal of 140065154 is 451560041.

It can be written as a sum of positive squares in 2 ways, for example, as 138180025 + 1885129 = 11755^2 + 1373^2 .

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

It is not an unprimeable number, because it can be changed into a prime (140065151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149819 + ... + 150750.

Almost surely, 2^140065154 is an apocalyptic number.

140065154 is a deficient number, since it is larger than the sum of its proper divisors (70934986).

140065154 is a wasteful number, since it uses less digits than its factorization.

140065154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300804.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 140065154 is about 11834.9125049575. The cubic root of 140065154 is about 519.3299481119.

The spelling of 140065154 in words is "one hundred forty million, sixty-five thousand, one hundred fifty-four".