140908970 has 16 divisors (see below), whose sum is σ = 262382760. Its totient is φ = 54419904.

The previous prime is 140908969. The next prime is 140909003. The reversal of 140908970 is 79809041.

It can be written as a sum of positive squares in 4 ways, for example, as 133656721 + 7252249 = 11561^2 + 2693^2 .

It is a Curzon 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, 242657 + ... + 243236.

Almost surely, 2^140908970 is an apocalyptic number.

140908970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140908970 is a deficient number, since it is larger than the sum of its proper divisors (121473790).

140908970 is a wasteful number, since it uses less digits than its factorization.

140908970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485929.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 140908970 is about 11870.5084137117. The cubic root of 140908970 is about 520.3707538387.

The spelling of 140908970 in words is "one hundred forty million, nine hundred eight thousand, nine hundred seventy".