140455320 has 32 divisors (see below), whose sum is σ = 421366320. Its totient is φ = 37454720.

The previous prime is 140455313. The next prime is 140455331. The reversal of 140455320 is 23554041.

140455320 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 Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 585111 + ... + 585350.

Almost surely, 2^140455320 is an apocalyptic number.

140455320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140455320 is an abundant number, since it is smaller than the sum of its proper divisors (280911000).

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

140455320 is a wasteful number, since it uses less digits than its factorization.

140455320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170475 (or 1170471 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 140455320 is about 11851.3847292205. The cubic root of 140455320 is about 519.8117168440.

The spelling of 140455320 in words is "one hundred forty million, four hundred fifty-five thousand, three hundred twenty".