140537770 has 16 divisors (see below), whose sum is σ = 261691560. Its totient is φ = 54276544.

The previous prime is 140537731. The next prime is 140537777. The reversal of 140537770 is 77735041.

It can be written as a sum of positive squares in 4 ways, for example, as 126855169 + 13682601 = 11263^2 + 3699^2 .

It is not an unprimeable number, because it can be changed into a prime (140537777) 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 7 ways as a sum of consecutive naturals, for example, 242017 + ... + 242596.

Almost surely, 2^140537770 is an apocalyptic number.

140537770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140537770 is a deficient number, since it is larger than the sum of its proper divisors (121153790).

140537770 is a wasteful number, since it uses less digits than its factorization.

140537770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484649.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 140537770 is about 11854.8627153586. The cubic root of 140537770 is about 519.9134101382.

The spelling of 140537770 in words is "one hundred forty million, five hundred thirty-seven thousand, seven hundred seventy".