402540123135351 has 8 divisors (see below), whose sum is σ = 555227756048880. Its totient is φ = 259106286156032.

The previous prime is 402540123135331. The next prime is 402540123135379. The reversal of 402540123135351 is 153531321045204.

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

It is a cyclic number.

It is not a de Polignac number, because 402540123135351 - 2¹⁰ = 402540123134327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402540123135331) 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, 2313448983450 + ... + 2313448983623.

It is an arithmetic number, because the mean of its divisors is an integer number (69403469506110).

Almost surely, 2^{402540123135351} is an apocalyptic number.

402540123135351 is a deficient number, since it is larger than the sum of its proper divisors (152687632913529).

402540123135351 is a wasteful number, since it uses less digits than its factorization.

402540123135351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626897967105.

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 402540123135351 in words is "four hundred two trillion, five hundred forty billion, one hundred twenty-three million, one hundred thirty-five thousand, three hundred fifty-one".