91400102 has 8 divisors (see below), whose sum is σ = 137921616. Its totient is φ = 45426232.

The previous prime is 91400087. The next prime is 91400107. The reversal of 91400102 is 20100419.

It is a happy number.

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

It is a super-3 number, since 3×91400102³ (a number of 25 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 an unprimeable number, because it can be changed into a prime (91400107) 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, 136493 + ... + 137160.

It is an arithmetic number, because the mean of its divisors is an integer number (17240202).

Almost surely, 2^91400102 is an apocalyptic number.

91400102 is a deficient number, since it is larger than the sum of its proper divisors (46521514).

91400102 is a wasteful number, since it uses less digits than its factorization.

91400102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273822.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 91400102 is about 9560.3400567135. The cubic root of 91400102 is about 450.4523878576.

The spelling of 91400102 in words is "ninety-one million, four hundred thousand, one hundred two".