140216474 has 16 divisors (see below), whose sum is σ = 217886760. Its totient is φ = 67626240.

The previous prime is 140216449. The next prime is 140216501. The reversal of 140216474 is 474612041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 102921025 + 37295449 = 10145^2 + 6107^2 .

It is a super-3 number, since 3×140216474³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2309 + ... + 16904.

Almost surely, 2^140216474 is an apocalyptic number.

140216474 is a deficient number, since it is larger than the sum of its proper divisors (77670286).

140216474 is a wasteful number, since it uses less digits than its factorization.

140216474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19345.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 140216474 is about 11841.3037288974. The cubic root of 140216474 is about 519.5169009278.

The spelling of 140216474 in words is "one hundred forty million, two hundred sixteen thousand, four hundred seventy-four".