140041251 has 32 divisors (see below), whose sum is σ = 238533120. Its totient is φ = 79542432.

The previous prime is 140041241. The next prime is 140041259. The reversal of 140041251 is 152140041.

It is not a de Polignac number, because 140041251 - 2¹⁹ = 139516963 is a prime.

It is a super-2 number, since 2×140041251² = 39223103963290002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140041259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30556 + ... + 34838.

It is an arithmetic number, because the mean of its divisors is an integer number (7454160).

Almost surely, 2^140041251 is an apocalyptic number.

140041251 is a deficient number, since it is larger than the sum of its proper divisors (98491869).

140041251 is a wasteful number, since it uses less digits than its factorization.

140041251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4472 (or 4466 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 140041251 is about 11833.9026107198. The cubic root of 140041251 is about 519.3004041232.

Adding to 140041251 its reverse (152140041), we get a palindrome (292181292).

The spelling of 140041251 in words is "one hundred forty million, forty-one thousand, two hundred fifty-one".