129619070 has 16 divisors (see below), whose sum is σ = 266645088. Its totient is φ = 44440800.

The previous prime is 129619037. The next prime is 129619093. The reversal of 129619070 is 70916921.

It is a super-2 number, since 2×129619070² = 33602206615329800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 129619070.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925781 + ... + 925920.

It is an arithmetic number, because the mean of its divisors is an integer number (16665318).

Almost surely, 2^129619070 is an apocalyptic number.

129619070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129619070 is an abundant number, since it is smaller than the sum of its proper divisors (137026018).

129619070 is a wasteful number, since it uses less digits than its factorization.

129619070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851715.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 129619070 is about 11385.0371101723. The cubic root of 129619070 is about 506.0844193540.

The spelling of 129619070 in words is "one hundred twenty-nine million, six hundred nineteen thousand, seventy".