140071051 has 4 divisors (see below), whose sum is σ = 144589504. Its totient is φ = 135552600.

The previous prime is 140071037. The next prime is 140071079. The reversal of 140071051 is 150170041.

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 140071051 - 2²³ = 131682443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140071091) 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, 2259180 + ... + 2259241.

It is an arithmetic number, because the mean of its divisors is an integer number (36147376).

Almost surely, 2^140071051 is an apocalyptic number.

140071051 is a deficient number, since it is larger than the sum of its proper divisors (4518453).

140071051 is an equidigital number, since it uses as much as digits as its factorization.

140071051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4518452.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 140071051 is about 11835.1616381019. The cubic root of 140071051 is about 519.3372362575.

The spelling of 140071051 in words is "one hundred forty million, seventy-one thousand, fifty-one".