16139511129 has 16 divisors (see below), whose sum is σ = 24717132800. Its totient is φ = 9176230800.

The previous prime is 16139511109. The next prime is 16139511137. The reversal of 16139511129 is 92111593161.

It is not a de Polignac number, because 16139511129 - 2⁷ = 16139511001 is a prime.

It is a super-2 number, since 2×16139511129² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16139511109) 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, 1926847 + ... + 1935204.

It is an arithmetic number, because the mean of its divisors is an integer number (1544820800).

Almost surely, 2^16139511129 is an apocalyptic number.

It is an amenable number.

16139511129 is a deficient number, since it is larger than the sum of its proper divisors (8577621671).

16139511129 is a wasteful number, since it uses less digits than its factorization.

16139511129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3862260.

The product of its digits is 14580, while the sum is 39.

The spelling of 16139511129 in words is "sixteen billion, one hundred thirty-nine million, five hundred eleven thousand, one hundred twenty-nine".