135938738 has 16 divisors (see below), whose sum is σ = 224702016. Its totient is φ = 61281360.

The previous prime is 135938687. The next prime is 135938741. The reversal of 135938738 is 837839531.

It is a junction number, because it is equal to n+sod(n) for n = 135938692 and 135938701.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59678 + ... + 61913.

It is an arithmetic number, because the mean of its divisors is an integer number (14043876).

Almost surely, 2^135938738 is an apocalyptic number.

135938738 is a deficient number, since it is larger than the sum of its proper divisors (88763278).

135938738 is a wasteful number, since it uses less digits than its factorization.

135938738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121649.

The product of its digits is 544320, while the sum is 47.

The square root of 135938738 is about 11659.2769072529. The cubic root of 135938738 is about 514.1790899400.

The spelling of 135938738 in words is "one hundred thirty-five million, nine hundred thirty-eight thousand, seven hundred thirty-eight".