140397160 has 32 divisors (see below), whose sum is σ = 320614560. Its totient is φ = 55319616.

The previous prime is 140397157. The next prime is 140397163. The reversal of 140397160 is 61793041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140397157) and next prime (140397163).

It is a super-2 number, since 2×140397160² = 39422725072131200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140397163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23514 + ... + 28873.

It is an arithmetic number, because the mean of its divisors is an integer number (10019205).

Almost surely, 2^140397160 is an apocalyptic number.

140397160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140397160 is an abundant number, since it is smaller than the sum of its proper divisors (180217400).

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

140397160 is a wasteful number, since it uses less digits than its factorization.

140397160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52465 (or 52461 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 140397160 is about 11848.9307534478. The cubic root of 140397160 is about 519.7399587378.

The spelling of 140397160 in words is "one hundred forty million, three hundred ninety-seven thousand, one hundred sixty".