98521137 has 128 divisors (see below), whose sum is σ = 193536000. Its totient is φ = 48522240.

The previous prime is 98521123. The next prime is 98521141. The reversal of 98521137 is 73112589.

It is not a de Polignac number, because 98521137 - 2⁸ = 98520881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98521187) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1247064 + ... + 1247142.

It is an arithmetic number, because the mean of its divisors is an integer number (1512000).

Almost surely, 2^98521137 is an apocalyptic number.

It is an amenable number.

98521137 is a deficient number, since it is larger than the sum of its proper divisors (95014863).

98521137 is a wasteful number, since it uses less digits than its factorization.

98521137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 142 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 98521137 is about 9925.7814301948. The cubic root of 98521137 is about 461.8594191940.

It can be divided in two parts, 985 and 21137, that added together give a palindrome (22122).

The spelling of 98521137 in words is "ninety-eight million, five hundred twenty-one thousand, one hundred thirty-seven".