140355650 has 24 divisors (see below), whose sum is σ = 270066420. Its totient is φ = 54205760.

The previous prime is 140355629. The next prime is 140355659. The reversal of 140355650 is 56553041.

It can be written as a sum of positive squares in 6 ways, for example, as 67782289 + 72573361 = 8233^2 + 8519^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (140355659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46949 + ... + 49848.

Almost surely, 2^140355650 is an apocalyptic number.

140355650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140355650 is a deficient number, since it is larger than the sum of its proper divisors (129710770).

140355650 is a wasteful number, since it uses less digits than its factorization.

140355650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96838 (or 96833 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 140355650 is about 11847.1789891096. The cubic root of 140355650 is about 519.6887313666.

The spelling of 140355650 in words is "one hundred forty million, three hundred fifty-five thousand, six hundred fifty".