140872371 has 4 divisors (see below), whose sum is σ = 187829832. Its totient is φ = 93914912.

The previous prime is 140872321. The next prime is 140872373. The reversal of 140872371 is 173278041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140872371 - 2¹³ = 140864179 is a prime.

It is a super-2 number, since 2×140872371² = 39690049822323282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140872373) 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, 23478726 + ... + 23478731.

It is an arithmetic number, because the mean of its divisors is an integer number (46957458).

Almost surely, 2^140872371 is an apocalyptic number.

140872371 is a deficient number, since it is larger than the sum of its proper divisors (46957461).

140872371 is an equidigital number, since it uses as much as digits as its factorization.

140872371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46957460.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 140872371 is about 11868.9667199803. The cubic root of 140872371 is about 520.3256970942.

The spelling of 140872371 in words is "one hundred forty million, eight hundred seventy-two thousand, three hundred seventy-one".