140263970 has 96 divisors (see below), whose sum is σ = 327105216. Its totient is φ = 42806400.

The previous prime is 140263969. The next prime is 140263973. The reversal of 140263970 is 79362041.

It is not an unprimeable number, because it can be changed into a prime (140263973) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 285425 + ... + 285915.

It is an arithmetic number, because the mean of its divisors is an integer number (3407346).

Almost surely, 2^140263970 is an apocalyptic number.

140263970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140263970 is an abundant number, since it is smaller than the sum of its proper divisors (186841246).

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

140263970 is a wasteful number, since it uses less digits than its factorization.

140263970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 569 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 140263970 is about 11843.3090815025. The cubic root of 140263970 is about 519.5755535441.

The spelling of 140263970 in words is "one hundred forty million, two hundred sixty-three thousand, nine hundred seventy".