140157220 has 24 divisors (see below), whose sum is σ = 336377664. Its totient is φ = 48053856.

The previous prime is 140157217. The next prime is 140157257. The reversal of 140157220 is 22751041.

It is a happy number.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 140157191 and 140157200.

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, 500422 + ... + 500701.

It is an arithmetic number, because the mean of its divisors is an integer number (14015736).

Almost surely, 2^140157220 is an apocalyptic number.

140157220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140157220 is an abundant number, since it is smaller than the sum of its proper divisors (196220444).

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

140157220 is a wasteful number, since it uses less digits than its factorization.

140157220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001139 (or 1001137 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 140157220 is about 11838.8014596073. The cubic root of 140157220 is about 519.4437098330.

The spelling of 140157220 in words is "one hundred forty million, one hundred fifty-seven thousand, two hundred twenty".