140736145 has 16 divisors (see below), whose sum is σ = 186312960. Its totient is φ = 101200000.

The previous prime is 140736139. The next prime is 140736151. The reversal of 140736145 is 541637041.

It is an interprime number because it is at equal distance from previous prime (140736139) and next prime (140736151).

It is not a de Polignac number, because 140736145 - 2⁷ = 140736017 is a prime.

It is a super-2 number, since 2×140736145² = 39613325018922050, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9481 + ... + 19270.

It is an arithmetic number, because the mean of its divisors is an integer number (11644560).

Almost surely, 2^140736145 is an apocalyptic number.

It is an amenable number.

140736145 is a deficient number, since it is larger than the sum of its proper divisors (45576815).

140736145 is a wasteful number, since it uses less digits than its factorization.

140736145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28856.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 140736145 is about 11863.2265847028. The cubic root of 140736145 is about 520.1579217096.

The spelling of 140736145 in words is "one hundred forty million, seven hundred thirty-six thousand, one hundred forty-five".