140152541 has 4 divisors (see below), whose sum is σ = 140244000. Its totient is φ = 140061084.

The previous prime is 140152499. The next prime is 140152583. The reversal of 140152541 is 145251041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (140152499) and next prime (140152583).

It is a cyclic number.

It is not a de Polignac number, because 140152541 - 2¹⁸ = 139890397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140152591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43391 + ... + 46508.

It is an arithmetic number, because the mean of its divisors is an integer number (35061000).

Almost surely, 2^140152541 is an apocalyptic number.

It is an amenable number.

140152541 is a deficient number, since it is larger than the sum of its proper divisors (91459).

140152541 is an equidigital number, since it uses as much as digits as its factorization.

140152541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91458.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 140152541 is about 11838.6038450486. The cubic root of 140152541 is about 519.4379294097.

The spelling of 140152541 in words is "one hundred forty million, one hundred fifty-two thousand, five hundred forty-one".