70136554 has 4 divisors (see below), whose sum is σ = 105204834. Its totient is φ = 35068276.

The previous prime is 70136513. The next prime is 70136557. The reversal of 70136554 is 45563107.

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

It can be written as a sum of positive squares in only one way, i.e., 45900625 + 24235929 = 6775^2 + 4923^2 .

It is not an unprimeable number, because it can be changed into a prime (70136557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17534137 + ... + 17534140.

Almost surely, 2^70136554 is an apocalyptic number.

70136554 is a deficient number, since it is larger than the sum of its proper divisors (35068280).

70136554 is a wasteful number, since it uses less digits than its factorization.

70136554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35068279.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 70136554 is about 8374.7569516972. The cubic root of 70136554 is about 412.3963454278.

The spelling of 70136554 in words is "seventy million, one hundred thirty-six thousand, five hundred fifty-four".