2140747535542 has 16 divisors (see below), whose sum is σ = 4003475910912. Its totient is φ = 834057481320.

The previous prime is 2140747535431. The next prime is 2140747535567. The reversal of 2140747535542 is 2455357470412.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6950478858 + ... + 6950479165.

It is an arithmetic number, because the mean of its divisors is an integer number (250217244432).

Almost surely, 2^{2140747535542} is an apocalyptic number.

2140747535542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2140747535542 is a deficient number, since it is larger than the sum of its proper divisors (1862728375370).

2140747535542 is a wasteful number, since it uses less digits than its factorization.

2140747535542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13900958043.

The product of its (nonzero) digits is 4704000, while the sum is 49.

The spelling of 2140747535542 in words is "two trillion, one hundred forty billion, seven hundred forty-seven million, five hundred thirty-five thousand, five hundred forty-two".