140489254 has 4 divisors (see below), whose sum is σ = 210733884. Its totient is φ = 70244626.

The previous prime is 140489233. The next prime is 140489257. The reversal of 140489254 is 452984041.

140489254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140489257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35122312 + ... + 35122315.

It is an arithmetic number, because the mean of its divisors is an integer number (52683471).

Almost surely, 2^140489254 is an apocalyptic number.

140489254 is a deficient number, since it is larger than the sum of its proper divisors (70244630).

140489254 is an equidigital number, since it uses as much as digits as its factorization.

140489254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70244629.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 140489254 is about 11852.8162898106. The cubic root of 140489254 is about 519.8535756368.

The spelling of 140489254 in words is "one hundred forty million, four hundred eighty-nine thousand, two hundred fifty-four".