140341951 has 2 divisors, whose sum is σ = 140341952. Its totient is φ = 140341950.

The previous prime is 140341939. The next prime is 140341973. The reversal of 140341951 is 159143041.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140341951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140341921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70170975 + 70170976.

It is an arithmetic number, because the mean of its divisors is an integer number (70170976).

Almost surely, 2^140341951 is an apocalyptic number.

140341951 is a deficient number, since it is larger than the sum of its proper divisors (1).

140341951 is an equidigital number, since it uses as much as digits as its factorization.

140341951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 140341951 is about 11846.6008204886. The cubic root of 140341951 is about 519.6718232537.

Adding to 140341951 its reverse (159143041), we get a palindrome (299484992).

The spelling of 140341951 in words is "one hundred forty million, three hundred forty-one thousand, nine hundred fifty-one".