140454132 has 48 divisors (see below), whose sum is σ = 403358592. Its totient is φ = 37042560.

The previous prime is 140454121. The next prime is 140454227. The reversal of 140454132 is 231454041.

140454132 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63219 + ... + 65402.

It is an arithmetic number, because the mean of its divisors is an integer number (8403304).

Almost surely, 2^140454132 is an apocalyptic number.

140454132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140454132 is an abundant number, since it is smaller than the sum of its proper divisors (262904460).

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

140454132 is a wasteful number, since it uses less digits than its factorization.

140454132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128648 (or 128646 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 140454132 is about 11851.3346083890. The cubic root of 140454132 is about 519.8102512817.

Subtracting 140454132 from its reverse (231454041), we obtain a palindrome (90999909).

The spelling of 140454132 in words is "one hundred forty million, four hundred fifty-four thousand, one hundred thirty-two".