140949 has 6 divisors (see below), whose sum is σ = 203606. Its totient is φ = 93960.

The previous prime is 140939. The next prime is 140977. The reversal of 140949 is 949041.

It can be written as a sum of positive squares in only one way, i.e., 140625 + 324 = 375^2 + 18^2 .

It is not a de Polignac number, because 140949 - 2¹³ = 132757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7822 + ... + 7839.

2¹⁴⁰⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

140949 is a deficient number, since it is larger than the sum of its proper divisors (62657).

140949 is a wasteful number, since it uses less digits than its factorization.

140949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15667 (or 15664 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 140949 is about 375.4317514542. The cubic root of 140949 is about 52.0420025528.

It can be divided in two parts, 140 and 949, that added together give a square (1089 = 33²).

The spelling of 140949 in words is "one hundred forty thousand, nine hundred forty-nine".