140888954 has 4 divisors (see below), whose sum is σ = 211333434. Its totient is φ = 70444476.

The previous prime is 140888953. The next prime is 140888959. The reversal of 140888954 is 459888041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 459888041 = 577 ⋅797033.

It can be written as a sum of positive squares in only one way, i.e., 125104225 + 15784729 = 11185^2 + 3973^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140888899 and 140888908.

It is not an unprimeable number, because it can be changed into a prime (140888953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35222237 + ... + 35222240.

Almost surely, 2^140888954 is an apocalyptic number.

140888954 is a deficient number, since it is larger than the sum of its proper divisors (70444480).

140888954 is an equidigital number, since it uses as much as digits as its factorization.

140888954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70444479.

The product of its (nonzero) digits is 368640, while the sum is 47.

The square root of 140888954 is about 11869.6652859295. The cubic root of 140888954 is about 520.3461132634.

The spelling of 140888954 in words is "one hundred forty million, eight hundred eighty-eight thousand, nine hundred fifty-four".