137770738 has 16 divisors (see below), whose sum is σ = 237242880. Its totient is φ = 58778496.

The previous prime is 137770733. The next prime is 137770747. The reversal of 137770738 is 837077731.

137770738 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 137770694 and 137770703.

It is not an unprimeable number, because it can be changed into a prime (137770733) 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, 18943 + ... + 25186.

It is an arithmetic number, because the mean of its divisors is an integer number (14827680).

Almost surely, 2^137770738 is an apocalyptic number.

137770738 is a deficient number, since it is larger than the sum of its proper divisors (99472142).

137770738 is a wasteful number, since it uses less digits than its factorization.

137770738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44361.

The product of its (nonzero) digits is 172872, while the sum is 43.

The square root of 137770738 is about 11737.5780295596. The cubic root of 137770738 is about 516.4785961810.

The spelling of 137770738 in words is "one hundred thirty-seven million, seven hundred seventy thousand, seven hundred thirty-eight".