140502040143405 has 8 divisors (see below), whose sum is σ = 224803264229472. Its totient is φ = 74934421409808.

The previous prime is 140502040143389. The next prime is 140502040143407. The reversal of 140502040143405 is 504341040205041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140502040143405 - 2⁴ = 140502040143389 is a prime.

It is a super-2 number, since 2×140502040143405² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140502040143407) 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, 4683401338099 + ... + 4683401338128.

It is an arithmetic number, because the mean of its divisors is an integer number (28100408028684).

Almost surely, 2^{140502040143405} is an apocalyptic number.

140502040143405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140502040143405 is a deficient number, since it is larger than the sum of its proper divisors (84301224086067).

140502040143405 is an equidigital number, since it uses as much as digits as its factorization.

140502040143405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9366802676235.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 140502040143405 its reverse (504341040205041), we get a palindrome (644843080348446).

The spelling of 140502040143405 in words is "one hundred forty trillion, five hundred two billion, forty million, one hundred forty-three thousand, four hundred five".