70138011 has 8 divisors (see below), whose sum is σ = 93557824. Its totient is φ = 46738440.

The previous prime is 70138009. The next prime is 70138021. The reversal of 70138011 is 11083107.

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

It is not a de Polignac number, because 70138011 - 2¹ = 70138009 is a prime.

It is a super-2 number, since 2×70138011² = 9838681174072242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70138001) 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 in 7 ways as a sum of consecutive naturals, for example, 7440 + ... + 13986.

It is an arithmetic number, because the mean of its divisors is an integer number (11694728).

Almost surely, 2^70138011 is an apocalyptic number.

70138011 is a deficient number, since it is larger than the sum of its proper divisors (23419813).

70138011 is a wasteful number, since it uses less digits than its factorization.

70138011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10121.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 70138011 is about 8374.8439388445. The cubic root of 70138011 is about 412.3992010823.

The spelling of 70138011 in words is "seventy million, one hundred thirty-eight thousand, eleven".