140906016 has 36 divisors (see below), whose sum is σ = 400702302. Its totient is φ = 46968576.

The previous prime is 140905997. The next prime is 140906039. The reversal of 140906016 is 610609041.

It can be written as a sum of positive squares in only one way, i.e., 136890000 + 4016016 = 11700^2 + 2004^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 244341 + ... + 244916.

Almost surely, 2^140906016 is an apocalyptic number.

140906016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140906016 is an abundant number, since it is smaller than the sum of its proper divisors (259796286).

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

140906016 is a wasteful number, since it uses less digits than its factorization.

140906016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489273 (or 489262 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 140906016 is about 11870.3839870495. The cubic root of 140906016 is about 520.3671174817.

The spelling of 140906016 in words is "one hundred forty million, nine hundred six thousand, sixteen".