136949396 has 6 divisors (see below), whose sum is σ = 239661450. Its totient is φ = 68474696.

The previous prime is 136949377. The next prime is 136949401. The reversal of 136949396 is 693949631.

It can be written as a sum of positive squares in only one way, i.e., 116337796 + 20611600 = 10786^2 + 4540^2 .

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, 17118671 + ... + 17118678.

It is an arithmetic number, because the mean of its divisors is an integer number (39943575).

Almost surely, 2^136949396 is an apocalyptic number.

It is an amenable number.

136949396 is a deficient number, since it is larger than the sum of its proper divisors (102712054).

136949396 is a wasteful number, since it uses less digits than its factorization.

136949396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34237353 (or 34237351 counting only the distinct ones).

The product of its digits is 944784, while the sum is 50.

The square root of 136949396 is about 11702.5380153196. The cubic root of 136949396 is about 515.4501935803.

The spelling of 136949396 in words is "one hundred thirty-six million, nine hundred forty-nine thousand, three hundred ninety-six".