140507220 has 48 divisors (see below), whose sum is σ = 449624448. Its totient is φ = 32115840.

The previous prime is 140507209. The next prime is 140507231. The reversal of 140507220 is 22705041.

It is an interprime number because it is at equal distance from previous prime (140507209) and next prime (140507231).

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 166851 + ... + 167690.

It is an arithmetic number, because the mean of its divisors is an integer number (9367176).

Almost surely, 2^140507220 is an apocalyptic number.

140507220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140507220 is an abundant number, since it is smaller than the sum of its proper divisors (309117228).

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

140507220 is a wasteful number, since it uses less digits than its factorization.

140507220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334560 (or 334558 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 140507220 is about 11853.5741445355. The cubic root of 140507220 is about 519.8757346062.

The spelling of 140507220 in words is "one hundred forty million, five hundred seven thousand, two hundred twenty".