137936090 has 8 divisors (see below), whose sum is σ = 248284980. Its totient is φ = 55174432.

The previous prime is 137936077. The next prime is 137936107. The reversal of 137936090 is 90639731.

137936090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 131997121 + 5938969 = 11489^2 + 2437^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6896795 + ... + 6896814.

Almost surely, 2^137936090 is an apocalyptic number.

137936090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137936090 is a deficient number, since it is larger than the sum of its proper divisors (110348890).

137936090 is a wasteful number, since it uses less digits than its factorization.

137936090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13793616.

The product of its (nonzero) digits is 30618, while the sum is 38.

The square root of 137936090 is about 11744.6196192129. The cubic root of 137936090 is about 516.6851388933.

The spelling of 137936090 in words is "one hundred thirty-seven million, nine hundred thirty-six thousand, ninety".