140153417 has 4 divisors (see below), whose sum is σ = 142451076. Its totient is φ = 137855760.

The previous prime is 140153411. The next prime is 140153437. The reversal of 140153417 is 714351041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55071241 + 85082176 = 7421^2 + 9224^2 .

It is a cyclic number.

It is not a de Polignac number, because 140153417 - 2⁶ = 140153353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140153411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148738 + ... + 1148859.

It is an arithmetic number, because the mean of its divisors is an integer number (35612769).

Almost surely, 2^140153417 is an apocalyptic number.

It is an amenable number.

140153417 is a deficient number, since it is larger than the sum of its proper divisors (2297659).

140153417 is an equidigital number, since it uses as much as digits as its factorization.

140153417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297658.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 140153417 is about 11838.6408425968. The cubic root of 140153417 is about 519.4390116274.

The spelling of 140153417 in words is "one hundred forty million, one hundred fifty-three thousand, four hundred seventeen".