140451403 has 2 divisors, whose sum is σ = 140451404. Its totient is φ = 140451402.

The previous prime is 140451397. The next prime is 140451427. The reversal of 140451403 is 304154041.

It is a weak prime.

It is an emirp because it is prime and its reverse (304154041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140451403 - 2¹³ = 140443211 is a prime.

It is not a weakly prime, because it can be changed into another prime (140451473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70225701 + 70225702.

It is an arithmetic number, because the mean of its divisors is an integer number (70225702).

Almost surely, 2^140451403 is an apocalyptic number.

140451403 is a deficient number, since it is larger than the sum of its proper divisors (1).

140451403 is an equidigital number, since it uses as much as digits as its factorization.

140451403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 140451403 is about 11851.2194731175. The cubic root of 140451403 is about 519.8068846515.

The spelling of 140451403 in words is "one hundred forty million, four hundred fifty-one thousand, four hundred three".