140945738 has 8 divisors (see below), whose sum is σ = 211623300. Its totient is φ = 70404640.

The previous prime is 140945729. The next prime is 140945767. The reversal of 140945738 is 837549041.

It can be written as a sum of positive squares in 2 ways, for example, as 97081609 + 43864129 = 9853^2 + 6623^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 140945695 and 140945704.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31493 + ... + 35688.

Almost surely, 2^140945738 is an apocalyptic number.

140945738 is a deficient number, since it is larger than the sum of its proper divisors (70677562).

140945738 is a wasteful number, since it uses less digits than its factorization.

140945738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68232.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 140945738 is about 11872.0570247957. The cubic root of 140945738 is about 520.4160107824.

The spelling of 140945738 in words is "one hundred forty million, nine hundred forty-five thousand, seven hundred thirty-eight".