140234544 has 40 divisors (see below), whose sum is σ = 402526320. Its totient is φ = 46744704.

The previous prime is 140234539. The next prime is 140234557. The reversal of 140234544 is 445432041.

It is a happy number.

140234544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161877 + ... + 162740.

It is an arithmetic number, because the mean of its divisors is an integer number (10063158).

Almost surely, 2^140234544 is an apocalyptic number.

It is an amenable number.

140234544 is an abundant number, since it is smaller than the sum of its proper divisors (262291776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140234544 is a wasteful number, since it uses less digits than its factorization.

140234544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324634 (or 324622 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 140234544 is about 11842.0667115162. The cubic root of 140234544 is about 519.5392170577.

Adding to 140234544 its reverse (445432041), we get a palindrome (585666585).

The spelling of 140234544 in words is "one hundred forty million, two hundred thirty-four thousand, five hundred forty-four".