140546146 has 48 divisors (see below), whose sum is σ = 241911360. Its totient is φ = 61089600.

The previous prime is 140546129. The next prime is 140546149. The reversal of 140546146 is 641645041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140546149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 785085 + ... + 785263.

It is an arithmetic number, because the mean of its divisors is an integer number (5039820).

Almost surely, 2^140546146 is an apocalyptic number.

140546146 is a deficient number, since it is larger than the sum of its proper divisors (101365214).

140546146 is a wasteful number, since it uses less digits than its factorization.

140546146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 140546146 is about 11855.2159828491. The cubic root of 140546146 is about 519.9237388164.

The spelling of 140546146 in words is "one hundred forty million, five hundred forty-six thousand, one hundred forty-six".