140270536 has 128 divisors (see below), whose sum is σ = 338688000. Its totient is φ = 54190080.

The previous prime is 140270531. The next prime is 140270549. The reversal of 140270536 is 635072041.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (140270531) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1446040 + ... + 1446136.

It is an arithmetic number, because the mean of its divisors is an integer number (2646000).

Almost surely, 2^140270536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140270536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169344000).

140270536 is an abundant number, since it is smaller than the sum of its proper divisors (198417464).

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

140270536 is a wasteful number, since it uses less digits than its factorization.

140270536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 140270536 is about 11843.5862811903. The cubic root of 140270536 is about 519.5836608289.

The spelling of 140270536 in words is "one hundred forty million, two hundred seventy thousand, five hundred thirty-six".