208070253134 has 4 divisors (see below), whose sum is σ = 312105379704. Its totient is φ = 104035126566.

The previous prime is 208070253121. The next prime is 208070253137. The reversal of 208070253134 is 431352070802.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 208070253094 and 208070253103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208070253137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52017563282 + ... + 52017563285.

It is an arithmetic number, because the mean of its divisors is an integer number (78026344926).

Almost surely, 2^208070253134 is an apocalyptic number.

208070253134 is a deficient number, since it is larger than the sum of its proper divisors (104035126570).

208070253134 is a wasteful number, since it uses less digits than its factorization.

208070253134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104035126569.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 208070253134 in words is "two hundred eight billion, seventy million, two hundred fifty-three thousand, one hundred thirty-four".