140169000 has 64 divisors (see below), whose sum is σ = 437336640. Its totient is φ = 37377600.

The previous prime is 140168957. The next prime is 140169017. The reversal of 140169000 is 961041.

It is a super-2 number, since 2×140169000² = 39294697122000000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20362 + ... + 26361.

It is an arithmetic number, because the mean of its divisors is an integer number (6833385).

Almost surely, 2^140169000 is an apocalyptic number.

140169000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140169000 is an abundant number, since it is smaller than the sum of its proper divisors (297167640).

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

140169000 is a wasteful number, since it uses less digits than its factorization.

140169000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46747 (or 46733 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 140169000 is about 11839.2989657327. The cubic root of 140169000 is about 519.4582622417.

The spelling of 140169000 in words is "one hundred forty million, one hundred sixty-nine thousand".