13237340742 has 48 divisors (see below), whose sum is σ = 30736798560. Its totient is φ = 4106526336.

The previous prime is 13237340741. The next prime is 13237340761. The reversal of 13237340742 is 24704373231.

13237340742 is a `hidden beast` number, since 13 + 237 + 3 + 407 + 4 + 2 = 666.

It is a super-2 number, since 2×13237340742² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13237340697 and 13237340706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13237340741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 416767 + ... + 447402.

It is an arithmetic number, because the mean of its divisors is an integer number (640349970).

Almost surely, 2^13237340742 is an apocalyptic number.

13237340742 is an abundant number, since it is smaller than the sum of its proper divisors (17499457818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13237340742 is a wasteful number, since it uses less digits than its factorization.

13237340742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864237 (or 864234 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 36.

The spelling of 13237340742 in words is "thirteen billion, two hundred thirty-seven million, three hundred forty thousand, seven hundred forty-two".