140486399 has 12 divisors (see below), whose sum is σ = 149696424. Its totient is φ = 131812272.

The previous prime is 140486363. The next prime is 140486407. The reversal of 140486399 is 993684041.

It is a de Polignac number, because none of the positive numbers 2^k-140486399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140486309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36809 + ... + 40445.

It is an arithmetic number, because the mean of its divisors is an integer number (12474702).

Almost surely, 2^140486399 is an apocalyptic number.

140486399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

140486399 is a deficient number, since it is larger than the sum of its proper divisors (9210025).

140486399 is a wasteful number, since it uses less digits than its factorization.

140486399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3782 (or 3763 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 140486399 is about 11852.6958536866. The cubic root of 140486399 is about 519.8500541527.

The spelling of 140486399 in words is "one hundred forty million, four hundred eighty-six thousand, three hundred ninety-nine".