140641954 has 16 divisors (see below), whose sum is σ = 216285696. Its totient is φ = 68558400.

The previous prime is 140641951. The next prime is 140641957. The reversal of 140641954 is 459146041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140641951) and next prime (140641957).

It is not an unprimeable number, because it can be changed into a prime (140641951) 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, 22714 + ... + 28234.

It is an arithmetic number, because the mean of its divisors is an integer number (13517856).

Almost surely, 2^140641954 is an apocalyptic number.

140641954 is a deficient number, since it is larger than the sum of its proper divisors (75643742).

140641954 is a wasteful number, since it uses less digits than its factorization.

140641954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5841.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 140641954 is about 11859.2560474930. The cubic root of 140641954 is about 520.0418531402.

Adding to 140641954 its reverse (459146041), we get a palindrome (599787995).

The spelling of 140641954 in words is "one hundred forty million, six hundred forty-one thousand, nine hundred fifty-four".