139062011 has 4 divisors (see below), whose sum is σ = 151704024. Its totient is φ = 126420000.

The previous prime is 139061941. The next prime is 139062017. The reversal of 139062011 is 110260931.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139062011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139062017) 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, 6320990 + ... + 6321011.

It is an arithmetic number, because the mean of its divisors is an integer number (37926006).

Almost surely, 2^139062011 is an apocalyptic number.

139062011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

139062011 is a deficient number, since it is larger than the sum of its proper divisors (12642013).

139062011 is a wasteful number, since it uses less digits than its factorization.

139062011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12642012.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 139062011 is about 11792.4556814940. The cubic root of 139062011 is about 518.0871672454.

The spelling of 139062011 in words is "one hundred thirty-nine million, sixty-two thousand, eleven".