137352742 has 4 divisors (see below), whose sum is σ = 206029116. Its totient is φ = 68676370.

The previous prime is 137352739. The next prime is 137352751. The reversal of 137352742 is 247253731.

137352742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 247253731 = 4513 ⋅54787.

It is a junction number, because it is equal to n+sod(n) for n = 137352698 and 137352707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34338184 + ... + 34338187.

It is an arithmetic number, because the mean of its divisors is an integer number (51507279).

Almost surely, 2^137352742 is an apocalyptic number.

137352742 is a deficient number, since it is larger than the sum of its proper divisors (68676374).

137352742 is an equidigital number, since it uses as much as digits as its factorization.

137352742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68676373.

The product of its digits is 35280, while the sum is 34.

The square root of 137352742 is about 11719.7586152617. The cubic root of 137352742 is about 515.9557355415.

The spelling of 137352742 in words is "one hundred thirty-seven million, three hundred fifty-two thousand, seven hundred forty-two".