140533418 has 8 divisors (see below), whose sum is σ = 210927780. Its totient is φ = 70224160.

The previous prime is 140533409. The next prime is 140533429. The reversal of 140533418 is 814335041.

It can be written as a sum of positive squares in 2 ways, for example, as 109139809 + 31393609 = 10447^2 + 5603^2 .

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

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, 16973 + ... + 23856.

Almost surely, 2^140533418 is an apocalyptic number.

140533418 is a deficient number, since it is larger than the sum of its proper divisors (70394362).

140533418 is a wasteful number, since it uses less digits than its factorization.

140533418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42552.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 140533418 is about 11854.6791605678. The cubic root of 140533418 is about 519.9080434041.

Adding to 140533418 its reverse (814335041), we get a palindrome (954868459).

It can be divided in two parts, 14053 and 3418, that added together give a palindrome (17471).

The spelling of 140533418 in words is "one hundred forty million, five hundred thirty-three thousand, four hundred eighteen".