102740737742 has 16 divisors (see below), whose sum is σ = 154299600000. Its totient is φ = 51307568760.

The previous prime is 102740737733. The next prime is 102740737747. The reversal of 102740737742 is 247737047201.

It is a junction number, because it is equal to n+sod(n) for n = 102740737693 and 102740737702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102740737747) 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, 10903109 + ... + 10912527.

It is an arithmetic number, because the mean of its divisors is an integer number (9643725000).

Almost surely, 2^102740737742 is an apocalyptic number.

102740737742 is a deficient number, since it is larger than the sum of its proper divisors (51558862258).

102740737742 is a wasteful number, since it uses less digits than its factorization.

102740737742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15511.

The product of its (nonzero) digits is 460992, while the sum is 44.

The spelling of 102740737742 in words is "one hundred two billion, seven hundred forty million, seven hundred thirty-seven thousand, seven hundred forty-two".