138062001 has 16 divisors (see below), whose sum is σ = 229506048. Its totient is φ = 71720400.

The previous prime is 138061997. The next prime is 138062017. The reversal of 138062001 is 100260831.

It is not a de Polignac number, because 138062001 - 2² = 138061997 is a prime.

It is a super-2 number, since 2×138062001² = 38122232240248002, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (138062101) 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, 298605 + ... + 299066.

It is an arithmetic number, because the mean of its divisors is an integer number (14344128).

Almost surely, 2^138062001 is an apocalyptic number.

138062001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

138062001 is a deficient number, since it is larger than the sum of its proper divisors (91444047).

138062001 is a wasteful number, since it uses less digits than its factorization.

138062001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597692.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 138062001 is about 11749.9787659383. The cubic root of 138062001 is about 516.8423048137.

The spelling of 138062001 in words is "one hundred thirty-eight million, sixty-two thousand, one".