5402138069 has 2 divisors, whose sum is σ = 5402138070. Its totient is φ = 5402138068.

The previous prime is 5402138057. The next prime is 5402138081. The reversal of 5402138069 is 9608312045.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (5402138057) and next prime (5402138081).

It can be written as a sum of positive squares in only one way, i.e., 4412280625 + 989857444 = 66425^2 + 31462^2 .

It is a cyclic number.

It is not a de Polignac number, because 5402138069 - 2¹² = 5402133973 is a prime.

It is a super-3 number, since 3×5402138069³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5402138369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2701069034 + 2701069035.

It is an arithmetic number, because the mean of its divisors is an integer number (2701069035).

Almost surely, 2^5402138069 is an apocalyptic number.

It is an amenable number.

5402138069 is a deficient number, since it is larger than the sum of its proper divisors (1).

5402138069 is an equidigital number, since it uses as much as digits as its factorization.

5402138069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 5402138069 is about 73499.2385606817. The cubic root of 5402138069 is about 1754.6421587336.

The spelling of 5402138069 in words is "five billion, four hundred two million, one hundred thirty-eight thousand, sixty-nine".