201499137 has 16 divisors (see below), whose sum is σ = 341162880. Its totient is φ = 115142256.

The previous prime is 201499117. The next prime is 201499157. The reversal of 201499137 is 731994102.

It is an interprime number because it is at equal distance from previous prime (201499117) and next prime (201499157).

It is not a de Polignac number, because 201499137 - 2¹⁴ = 201482753 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (201499117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532878 + ... + 533255.

It is an arithmetic number, because the mean of its divisors is an integer number (21322680).

Almost surely, 2^201499137 is an apocalyptic number.

201499137 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

201499137 is a deficient number, since it is larger than the sum of its proper divisors (139663743).

201499137 is a wasteful number, since it uses less digits than its factorization.

201499137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066149 (or 1066143 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 201499137 is about 14195.0391686673. The cubic root of 201499137 is about 586.2610796790.

It can be divided in two parts, 2014991 and 37, that added together give a triangular number (2015028 = T₂₀₀₇).

The spelling of 201499137 in words is "two hundred one million, four hundred ninety-nine thousand, one hundred thirty-seven".