137641090 has 8 divisors (see below), whose sum is σ = 247753980. Its totient is φ = 55056432.

The previous prime is 137641079. The next prime is 137641093. The reversal of 137641090 is 90146731.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 123943689 + 13697401 = 11133^2 + 3701^2 .

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

It is not an unprimeable number, because it can be changed into a prime (137641093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6882045 + ... + 6882064.

Almost surely, 2^137641090 is an apocalyptic number.

137641090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137641090 is a deficient number, since it is larger than the sum of its proper divisors (110112890).

137641090 is a wasteful number, since it uses less digits than its factorization.

137641090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13764116.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 137641090 is about 11732.0539548708. The cubic root of 137641090 is about 516.3165360484.

It can be divided in two parts, 1376410 and 90, that multiplied together give a square (123876900 = 11130²).

The spelling of 137641090 in words is "one hundred thirty-seven million, six hundred forty-one thousand, ninety".