140954441 has 4 divisors (see below), whose sum is σ = 141075984. Its totient is φ = 140832900.

The previous prime is 140954431. The next prime is 140954449. The reversal of 140954441 is 144459041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 144459041 = 61 ⋅2368181.

It is a cyclic number.

It is not a de Polignac number, because 140954441 - 2²² = 136760137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140954398 and 140954407.

It is not an unprimeable number, because it can be changed into a prime (140954449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59015 + ... + 61356.

It is an arithmetic number, because the mean of its divisors is an integer number (35268996).

Almost surely, 2^140954441 is an apocalyptic number.

It is an amenable number.

140954441 is a deficient number, since it is larger than the sum of its proper divisors (121543).

140954441 is a wasteful number, since it uses less digits than its factorization.

140954441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121542.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 140954441 is about 11872.4235520807. The cubic root of 140954441 is about 520.4267219666.

The spelling of 140954441 in words is "one hundred forty million, nine hundred fifty-four thousand, four hundred forty-one".