140849424 has 135 divisors (see below), whose sum is σ = 421872087. Its totient is φ = 43864128.

The previous prime is 140849419. The next prime is 140849431. The reversal of 140849424 is 424948041.

The square root of 140849424 is 11868.

It is a perfect power (a square), and thus also a powerful number.

140849424 is a `hidden beast` number, since 140 + 8 + 494 + 24 = 666.

It is a super-2 number, since 2×140849424² = 39677120482263552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3275547 + ... + 3275589.

Almost surely, 2^140849424 is an apocalyptic number.

140849424 is the 11868-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140849424

140849424 is an abundant number, since it is smaller than the sum of its proper divisors (281022663).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140849424 is a wasteful number, since it uses less digits than its factorization.

140849424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The cubic root of 140849424 is about 520.2974432404.

Multiplying 140849424 by its sum of digits (36), we get a square (5070579264 = 71208²).

140849424 divided by its sum of digits (36) gives a square (3912484 = 1978²).

Multiplying 140849424 by its product of nonzero digits (36864), we get a square (5192273166336 = 2278656²).

The spelling of 140849424 in words is "one hundred forty million, eight hundred forty-nine thousand, four hundred twenty-four".