140486401 has 4 divisors (see below), whose sum is σ = 153257904. Its totient is φ = 127714900.

The previous prime is 140486363. The next prime is 140486407. The reversal of 140486401 is 104684041.

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.

It is a cyclic number.

It is not a de Polignac number, because 140486401 - 2²¹ = 138389249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140486401.

It is not an unprimeable number, because it can be changed into a prime (140486407) 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, 6385735 + ... + 6385756.

It is an arithmetic number, because the mean of its divisors is an integer number (38314476).

Almost surely, 2^140486401 is an apocalyptic number.

140486401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140486401 is a deficient number, since it is larger than the sum of its proper divisors (12771503).

140486401 is a wasteful number, since it uses less digits than its factorization.

140486401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12771502.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 140486401 is about 11852.6959380556. The cubic root of 140486401 is about 519.8500566197.

It can be divided in two parts, 14048 and 6401, that added together give a square (20449 = 143²).

The spelling of 140486401 in words is "one hundred forty million, four hundred eighty-six thousand, four hundred one".