137351935442 has 18 divisors (see below), whose sum is σ = 209027206647. Its totient is φ = 67690356300.

The previous prime is 137351935423. The next prime is 137351935447. The reversal of 137351935442 is 244539153731.

It can be written as a sum of positive squares in only one way, i.e., 68675967721 + 68675967721 = 262061^2 + 262061^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=262061.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137351935447) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 37210817 + ... + 37214507.

Almost surely, 2^137351935442 is an apocalyptic number.

137351935442 is a deficient number, since it is larger than the sum of its proper divisors (71675271205).

137351935442 is an frugal number, since it uses more digits than its factorization.

137351935442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7526 (or 3764 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 47.

The spelling of 137351935442 in words is "one hundred thirty-seven billion, three hundred fifty-one million, nine hundred thirty-five thousand, four hundred forty-two".