140162049 has 8 divisors (see below), whose sum is σ = 207647520. Its totient is φ = 93441348.

The previous prime is 140162021. The next prime is 140162053. The reversal of 140162049 is 940261041.

It is not a de Polignac number, because 140162049 - 2¹³ = 140153857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 5191187 = 140162049 / (1 + 4 + 0 + 1 + 6 + 2 + 0 + 4 + 9).

It is not an unprimeable number, because it can be changed into a prime (140162089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2595567 + ... + 2595620.

It is an arithmetic number, because the mean of its divisors is an integer number (25955940).

Almost surely, 2^140162049 is an apocalyptic number.

It is an amenable number.

140162049 is a deficient number, since it is larger than the sum of its proper divisors (67485471).

140162049 is an equidigital number, since it uses as much as digits as its factorization.

140162049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5191196 (or 5191190 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 140162049 is about 11839.0054058607. The cubic root of 140162049 is about 519.4496754309.

The spelling of 140162049 in words is "one hundred forty million, one hundred sixty-two thousand, forty-nine".