136924421090 has 32 divisors (see below), whose sum is σ = 249104452464. Its totient is φ = 54183444480.

The previous prime is 136924420981. The next prime is 136924421093. The reversal of 136924421090 is 90124429631.

It is a Cunningham number, because it is equal to 370033²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 61484657521 + 75439763569 = 247961^2 + 274663^2 .

It is not an unprimeable number, because it can be changed into a prime (136924421093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2515442 + ... + 2569298.

Almost surely, 2^136924421090 is an apocalyptic number.

136924421090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136924421090 is a deficient number, since it is larger than the sum of its proper divisors (112180031374).

136924421090 is a wasteful number, since it uses less digits than its factorization.

136924421090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56582.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 136924421090 in words is "one hundred thirty-six billion, nine hundred twenty-four million, four hundred twenty-one thousand, ninety".