88070137 has 4 divisors (see below), whose sum is σ = 88187236. Its totient is φ = 87953040.

The previous prime is 88070131. The next prime is 88070141. The reversal of 88070137 is 73107088.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59969536 + 28100601 = 7744^2 + 5301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88070137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88070131) 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, 57414 + ... + 58927.

It is an arithmetic number, because the mean of its divisors is an integer number (22046809).

Almost surely, 2^88070137 is an apocalyptic number.

It is an amenable number.

88070137 is a deficient number, since it is larger than the sum of its proper divisors (117099).

88070137 is a wasteful number, since it uses less digits than its factorization.

88070137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117098.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 88070137 is about 9384.5690897345. The cubic root of 88070137 is about 444.9141558940.

It can be divided in two parts, 880 and 70137, that added together give a palindrome (71017).

The spelling of 88070137 in words is "eighty-eight million, seventy thousand, one hundred thirty-seven".