140489136 has 30 divisors (see below), whose sum is σ = 393174860. Its totient is φ = 46829664.

The previous prime is 140489131. The next prime is 140489143. The reversal of 140489136 is 631984041.

140489136 is a `hidden beast` number, since 1 + 40 + 489 + 136 = 666.

140489136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 140489136.

It is not an unprimeable number, because it can be changed into a prime (140489131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 487666 + ... + 487953.

Almost surely, 2^140489136 is an apocalyptic number.

140489136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140489136 is an abundant number, since it is smaller than the sum of its proper divisors (252685724).

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

140489136 is a wasteful number, since it uses less digits than its factorization.

140489136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975633 (or 975624 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 140489136 is about 11852.8113120896. The cubic root of 140489136 is about 519.8534300913.

It can be divided in two parts, 140489 and 136, that added together give a square (140625 = 375²).

The spelling of 140489136 in words is "one hundred forty million, four hundred eighty-nine thousand, one hundred thirty-six".